diff --git a/sustainability_word_list.ipynb b/sustainability_word_list.ipynb
index 11859e3..6362bdb 100644
--- a/sustainability_word_list.ipynb
+++ b/sustainability_word_list.ipynb
@@ -2,7 +2,7 @@
  "cells": [
   {
    "cell_type": "code",
-   "execution_count": 72,
+   "execution_count": 1,
    "id": "0c875ce0-80ad-42f3-af90-9bb1c1e53858",
    "metadata": {
     "tags": []
@@ -30,7 +30,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 73,
+   "execution_count": 2,
    "id": "99837ffc-0eb7-4e89-87e5-eedbe35219bc",
    "metadata": {
     "tags": []
@@ -101,31 +101,31 @@
        "    </tr>\n",
        "    <tr>\n",
        "      <th>10920</th>\n",
-       "      <td>phase</td>\n",
+       "      <td>ritzau</td>\n",
        "      <td>1</td>\n",
        "      <td>0.00001</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>10921</th>\n",
-       "      <td>agrichemicals</td>\n",
+       "      <td>baan</td>\n",
        "      <td>1</td>\n",
        "      <td>0.00001</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>10922</th>\n",
-       "      <td>polluting</td>\n",
+       "      <td>indiabased</td>\n",
        "      <td>1</td>\n",
        "      <td>0.00001</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>10923</th>\n",
-       "      <td>adams</td>\n",
+       "      <td>occurs</td>\n",
        "      <td>1</td>\n",
        "      <td>0.00001</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>10924</th>\n",
-       "      <td>maerskcapitalmarketsday</td>\n",
+       "      <td>multicarrier</td>\n",
        "      <td>1</td>\n",
        "      <td>0.00001</td>\n",
        "    </tr>\n",
@@ -135,23 +135,23 @@
        "</div>"
       ],
       "text/plain": [
-       "                          word  counts    ratio\n",
-       "0                       maersk    3207  0.04001\n",
-       "1                           is    1025  0.01279\n",
-       "2                         more     989  0.01234\n",
-       "3                         here     825  0.01029\n",
-       "4                        trade     642  0.00801\n",
-       "...                        ...     ...      ...\n",
-       "10920                    phase       1  0.00001\n",
-       "10921            agrichemicals       1  0.00001\n",
-       "10922                polluting       1  0.00001\n",
-       "10923                    adams       1  0.00001\n",
-       "10924  maerskcapitalmarketsday       1  0.00001\n",
+       "               word  counts    ratio\n",
+       "0            maersk    3207  0.04001\n",
+       "1                is    1025  0.01279\n",
+       "2              more     989  0.01234\n",
+       "3              here     825  0.01029\n",
+       "4             trade     642  0.00801\n",
+       "...             ...     ...      ...\n",
+       "10920        ritzau       1  0.00001\n",
+       "10921          baan       1  0.00001\n",
+       "10922    indiabased       1  0.00001\n",
+       "10923        occurs       1  0.00001\n",
+       "10924  multicarrier       1  0.00001\n",
        "\n",
        "[10925 rows x 3 columns]"
       ]
      },
-     "execution_count": 73,
+     "execution_count": 2,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -167,7 +167,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 74,
+   "execution_count": 3,
    "id": "57e749a9-3401-4cb5-98b0-ad68098bf5b4",
    "metadata": {
     "tags": []
@@ -195,7 +195,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 76,
+   "execution_count": 4,
    "id": "f2f37c6b-cb1f-4c71-aa24-9601d5bfe7b8",
    "metadata": {
     "tags": []
@@ -206,9 +206,9 @@
      "output_type": "stream",
      "text": [
       "CO2\n",
-      "['co2', 'co2emission', 'co2neutral']\n",
-      "3279.0\n",
-      "2165.0\n"
+      "['co2', 'co2neutral', 'co2emission']\n",
+      "3390.0\n",
+      "2275.0\n"
      ]
     }
    ],
@@ -253,7 +253,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 77,
+   "execution_count": 5,
    "id": "f825653d-6c43-46bc-bc11-f9b8f4de5414",
    "metadata": {
     "tags": []
@@ -290,21 +290,21 @@
        "    <tr>\n",
        "      <th>0</th>\n",
        "      <td>CO2</td>\n",
-       "      <td>3279.0</td>\n",
-       "      <td>2165.0</td>\n",
-       "      <td>[co2, co2emission, co2neutral]</td>\n",
+       "      <td>3390.0</td>\n",
+       "      <td>2275.0</td>\n",
+       "      <td>[co2, co2neutral, co2emission]</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>1</th>\n",
        "      <td>CSR</td>\n",
-       "      <td>1345.0</td>\n",
+       "      <td>1371.0</td>\n",
        "      <td>0.0</td>\n",
        "      <td>[csr]</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2</th>\n",
        "      <td>ESG</td>\n",
-       "      <td>635.0</td>\n",
+       "      <td>636.0</td>\n",
        "      <td>0.0</td>\n",
        "      <td>[esg]</td>\n",
        "    </tr>\n",
@@ -318,169 +318,169 @@
        "    <tr>\n",
        "      <th>4</th>\n",
        "      <td>bio</td>\n",
-       "      <td>3579.0</td>\n",
-       "      <td>1252.0</td>\n",
-       "      <td>[biofuel, biofuels, biodiversity, biohuts]</td>\n",
+       "      <td>3687.0</td>\n",
+       "      <td>1274.0</td>\n",
+       "      <td>[biofuel, biofuels, biohuts, biodiversity]</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>5</th>\n",
        "      <td>carb</td>\n",
-       "      <td>1848.0</td>\n",
-       "      <td>1396.0</td>\n",
+       "      <td>1952.0</td>\n",
+       "      <td>1526.0</td>\n",
        "      <td>[decarbonisation, carbon, decarbonization, car...</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>6</th>\n",
        "      <td>challeng</td>\n",
-       "      <td>406.0</td>\n",
-       "      <td>248.0</td>\n",
+       "      <td>420.0</td>\n",
+       "      <td>264.0</td>\n",
        "      <td>[challenges, challenge, challenging]</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>7</th>\n",
        "      <td>chang</td>\n",
-       "      <td>2054.0</td>\n",
-       "      <td>1563.0</td>\n",
+       "      <td>2148.0</td>\n",
+       "      <td>1667.0</td>\n",
        "      <td>[change, changing, climatechange, changes, exc...</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>8</th>\n",
        "      <td>clean</td>\n",
-       "      <td>1709.0</td>\n",
-       "      <td>859.0</td>\n",
+       "      <td>1695.0</td>\n",
+       "      <td>837.0</td>\n",
        "      <td>[theoceancleanup, cleanup, clean, cleanseas, o...</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>9</th>\n",
        "      <td>climate</td>\n",
-       "      <td>2943.0</td>\n",
-       "      <td>1978.0</td>\n",
+       "      <td>3046.0</td>\n",
+       "      <td>2095.0</td>\n",
        "      <td>[climateaction, climate, climatechange, climat...</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>10</th>\n",
        "      <td>eco</td>\n",
-       "      <td>3128.0</td>\n",
-       "      <td>1228.0</td>\n",
+       "      <td>3074.0</td>\n",
+       "      <td>1269.0</td>\n",
        "      <td>[ecosystem, eco, maerskecodelivery, ecofriendl...</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>11</th>\n",
        "      <td>emissions</td>\n",
-       "      <td>2912.0</td>\n",
-       "      <td>2065.0</td>\n",
+       "      <td>2925.0</td>\n",
+       "      <td>2046.0</td>\n",
        "      <td>[emissions, carbonemissions, zeroemissions]</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>12</th>\n",
        "      <td>environment</td>\n",
-       "      <td>2537.0</td>\n",
-       "      <td>1736.0</td>\n",
+       "      <td>2391.0</td>\n",
+       "      <td>1574.0</td>\n",
        "      <td>[environment, environmental, unenvironment, en...</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>13</th>\n",
        "      <td>future</td>\n",
-       "      <td>1626.0</td>\n",
-       "      <td>1540.0</td>\n",
+       "      <td>1770.0</td>\n",
+       "      <td>1684.0</td>\n",
        "      <td>[future, futureproofing]</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>14</th>\n",
        "      <td>garbage</td>\n",
-       "      <td>1772.0</td>\n",
-       "      <td>511.0</td>\n",
+       "      <td>1808.0</td>\n",
+       "      <td>612.0</td>\n",
        "      <td>[garbage, greatpacificgarbagepatch]</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>15</th>\n",
        "      <td>green</td>\n",
-       "      <td>2580.0</td>\n",
-       "      <td>1376.0</td>\n",
-       "      <td>[green, greenfuels, greener, greenfuel, greenl...</td>\n",
+       "      <td>2393.0</td>\n",
+       "      <td>1158.0</td>\n",
+       "      <td>[green, greenfuels, greener, greenfuel, greent...</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>16</th>\n",
        "      <td>methanol</td>\n",
-       "      <td>1755.0</td>\n",
-       "      <td>1110.0</td>\n",
+       "      <td>1700.0</td>\n",
+       "      <td>1044.0</td>\n",
        "      <td>[methanol, emethanol]</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>17</th>\n",
        "      <td>mission</td>\n",
-       "      <td>3245.0</td>\n",
-       "      <td>1937.0</td>\n",
-       "      <td>[emissions, mission, carbonemissions, eucommis...</td>\n",
+       "      <td>3247.0</td>\n",
+       "      <td>1950.0</td>\n",
+       "      <td>[emissions, mission, eucommission, carbonemiss...</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>18</th>\n",
        "      <td>neutral</td>\n",
-       "      <td>2384.0</td>\n",
-       "      <td>1886.0</td>\n",
+       "      <td>2382.0</td>\n",
+       "      <td>1798.0</td>\n",
        "      <td>[neutral, carbonneutral, neutrality, co2neutral]</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>19</th>\n",
        "      <td>ocean</td>\n",
-       "      <td>2217.0</td>\n",
-       "      <td>1657.0</td>\n",
+       "      <td>2169.0</td>\n",
+       "      <td>1629.0</td>\n",
        "      <td>[ocean, theoceancleanup, oceans, oceanplastic,...</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>20</th>\n",
        "      <td>planet</td>\n",
-       "      <td>1390.0</td>\n",
+       "      <td>1295.0</td>\n",
        "      <td>0.0</td>\n",
        "      <td>[planet]</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>21</th>\n",
        "      <td>plastic</td>\n",
-       "      <td>2354.0</td>\n",
-       "      <td>1587.0</td>\n",
+       "      <td>2320.0</td>\n",
+       "      <td>1490.0</td>\n",
        "      <td>[plastic, oceanplastic, plasticwaste, plasticp...</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>22</th>\n",
        "      <td>recycling</td>\n",
-       "      <td>848.0</td>\n",
-       "      <td>171.0</td>\n",
+       "      <td>860.0</td>\n",
+       "      <td>154.0</td>\n",
        "      <td>[recycling, shiprecycling]</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>23</th>\n",
        "      <td>reduc</td>\n",
-       "      <td>1359.0</td>\n",
-       "      <td>1199.0</td>\n",
+       "      <td>1242.0</td>\n",
+       "      <td>965.0</td>\n",
        "      <td>[reduce, reducing, reduced, reduction, reducti...</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>24</th>\n",
        "      <td>responsib</td>\n",
-       "      <td>1840.0</td>\n",
-       "      <td>1093.0</td>\n",
+       "      <td>1889.0</td>\n",
+       "      <td>1135.0</td>\n",
        "      <td>[responsible, responsibility, responsibly, res...</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>25</th>\n",
        "      <td>sulphur</td>\n",
-       "      <td>2572.0</td>\n",
-       "      <td>1524.0</td>\n",
+       "      <td>2828.0</td>\n",
+       "      <td>1772.0</td>\n",
        "      <td>[sulphur, lowsulphur]</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>26</th>\n",
        "      <td>sustainab</td>\n",
-       "      <td>1516.0</td>\n",
-       "      <td>1825.0</td>\n",
+       "      <td>1527.0</td>\n",
+       "      <td>1873.0</td>\n",
        "      <td>[sustainability, sustainable, sustainableshipp...</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>27</th>\n",
        "      <td>zero</td>\n",
-       "      <td>2972.0</td>\n",
-       "      <td>1670.0</td>\n",
+       "      <td>2977.0</td>\n",
+       "      <td>1646.0</td>\n",
        "      <td>[zero, netzero, zerocarbon, zerocarbonship, ze...</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
@@ -488,42 +488,42 @@
        "</div>"
       ],
       "text/plain": [
-       "           root  mean_ranking  std_ranking  \\\n",
-       "0           CO2        3279.0       2165.0   \n",
-       "1           CSR        1345.0          0.0   \n",
-       "2           ESG         635.0          0.0   \n",
+       "           root  mean_ranking  std_ranking   \n",
+       "0           CO2        3390.0       2275.0  \\\n",
+       "1           CSR        1371.0          0.0   \n",
+       "2           ESG         636.0          0.0   \n",
        "3           SDG         423.0          0.0   \n",
-       "4           bio        3579.0       1252.0   \n",
-       "5          carb        1848.0       1396.0   \n",
-       "6      challeng         406.0        248.0   \n",
-       "7         chang        2054.0       1563.0   \n",
-       "8         clean        1709.0        859.0   \n",
-       "9       climate        2943.0       1978.0   \n",
-       "10          eco        3128.0       1228.0   \n",
-       "11    emissions        2912.0       2065.0   \n",
-       "12  environment        2537.0       1736.0   \n",
-       "13       future        1626.0       1540.0   \n",
-       "14      garbage        1772.0        511.0   \n",
-       "15        green        2580.0       1376.0   \n",
-       "16     methanol        1755.0       1110.0   \n",
-       "17      mission        3245.0       1937.0   \n",
-       "18      neutral        2384.0       1886.0   \n",
-       "19        ocean        2217.0       1657.0   \n",
-       "20       planet        1390.0          0.0   \n",
-       "21      plastic        2354.0       1587.0   \n",
-       "22    recycling         848.0        171.0   \n",
-       "23        reduc        1359.0       1199.0   \n",
-       "24    responsib        1840.0       1093.0   \n",
-       "25      sulphur        2572.0       1524.0   \n",
-       "26    sustainab        1516.0       1825.0   \n",
-       "27         zero        2972.0       1670.0   \n",
+       "4           bio        3687.0       1274.0   \n",
+       "5          carb        1952.0       1526.0   \n",
+       "6      challeng         420.0        264.0   \n",
+       "7         chang        2148.0       1667.0   \n",
+       "8         clean        1695.0        837.0   \n",
+       "9       climate        3046.0       2095.0   \n",
+       "10          eco        3074.0       1269.0   \n",
+       "11    emissions        2925.0       2046.0   \n",
+       "12  environment        2391.0       1574.0   \n",
+       "13       future        1770.0       1684.0   \n",
+       "14      garbage        1808.0        612.0   \n",
+       "15        green        2393.0       1158.0   \n",
+       "16     methanol        1700.0       1044.0   \n",
+       "17      mission        3247.0       1950.0   \n",
+       "18      neutral        2382.0       1798.0   \n",
+       "19        ocean        2169.0       1629.0   \n",
+       "20       planet        1295.0          0.0   \n",
+       "21      plastic        2320.0       1490.0   \n",
+       "22    recycling         860.0        154.0   \n",
+       "23        reduc        1242.0        965.0   \n",
+       "24    responsib        1889.0       1135.0   \n",
+       "25      sulphur        2828.0       1772.0   \n",
+       "26    sustainab        1527.0       1873.0   \n",
+       "27         zero        2977.0       1646.0   \n",
        "\n",
        "                                         word_matches  \n",
-       "0                      [co2, co2emission, co2neutral]  \n",
+       "0                      [co2, co2neutral, co2emission]  \n",
        "1                                               [csr]  \n",
        "2                                               [esg]  \n",
        "3                                              [sdgs]  \n",
-       "4          [biofuel, biofuels, biodiversity, biohuts]  \n",
+       "4          [biofuel, biofuels, biohuts, biodiversity]  \n",
        "5   [decarbonisation, carbon, decarbonization, car...  \n",
        "6                [challenges, challenge, challenging]  \n",
        "7   [change, changing, climatechange, changes, exc...  \n",
@@ -534,9 +534,9 @@
        "12  [environment, environmental, unenvironment, en...  \n",
        "13                           [future, futureproofing]  \n",
        "14                [garbage, greatpacificgarbagepatch]  \n",
-       "15  [green, greenfuels, greener, greenfuel, greenl...  \n",
+       "15  [green, greenfuels, greener, greenfuel, greent...  \n",
        "16                              [methanol, emethanol]  \n",
-       "17  [emissions, mission, carbonemissions, eucommis...  \n",
+       "17  [emissions, mission, eucommission, carbonemiss...  \n",
        "18   [neutral, carbonneutral, neutrality, co2neutral]  \n",
        "19  [ocean, theoceancleanup, oceans, oceanplastic,...  \n",
        "20                                           [planet]  \n",
@@ -549,7 +549,7 @@
        "27  [zero, netzero, zerocarbon, zerocarbonship, ze...  "
       ]
      },
-     "execution_count": 77,
+     "execution_count": 5,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -567,7 +567,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 78,
+   "execution_count": 6,
    "id": "c4ea948f-66f6-405d-8b35-b390b1b3e4a7",
    "metadata": {},
    "outputs": [
@@ -602,8 +602,8 @@
        "    <tr>\n",
        "      <th>0</th>\n",
        "      <td>challeng</td>\n",
-       "      <td>406.0</td>\n",
-       "      <td>248.0</td>\n",
+       "      <td>420.0</td>\n",
+       "      <td>264.0</td>\n",
        "      <td>[challenges, challenge, challenging]</td>\n",
        "    </tr>\n",
        "    <tr>\n",
@@ -616,232 +616,232 @@
        "    <tr>\n",
        "      <th>2</th>\n",
        "      <td>ESG</td>\n",
-       "      <td>635.0</td>\n",
+       "      <td>636.0</td>\n",
        "      <td>0.0</td>\n",
        "      <td>[esg]</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>3</th>\n",
        "      <td>recycling</td>\n",
-       "      <td>848.0</td>\n",
-       "      <td>171.0</td>\n",
+       "      <td>860.0</td>\n",
+       "      <td>154.0</td>\n",
        "      <td>[recycling, shiprecycling]</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>4</th>\n",
-       "      <td>CSR</td>\n",
-       "      <td>1345.0</td>\n",
-       "      <td>0.0</td>\n",
-       "      <td>[csr]</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>5</th>\n",
        "      <td>reduc</td>\n",
-       "      <td>1359.0</td>\n",
-       "      <td>1199.0</td>\n",
+       "      <td>1242.0</td>\n",
+       "      <td>965.0</td>\n",
        "      <td>[reduce, reducing, reduced, reduction, reducti...</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>6</th>\n",
+       "      <th>5</th>\n",
        "      <td>planet</td>\n",
-       "      <td>1390.0</td>\n",
+       "      <td>1295.0</td>\n",
        "      <td>0.0</td>\n",
        "      <td>[planet]</td>\n",
        "    </tr>\n",
        "    <tr>\n",
+       "      <th>6</th>\n",
+       "      <td>CSR</td>\n",
+       "      <td>1371.0</td>\n",
+       "      <td>0.0</td>\n",
+       "      <td>[csr]</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
        "      <th>7</th>\n",
        "      <td>sustainab</td>\n",
-       "      <td>1516.0</td>\n",
-       "      <td>1825.0</td>\n",
+       "      <td>1527.0</td>\n",
+       "      <td>1873.0</td>\n",
        "      <td>[sustainability, sustainable, sustainableshipp...</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>8</th>\n",
-       "      <td>future</td>\n",
-       "      <td>1626.0</td>\n",
-       "      <td>1540.0</td>\n",
-       "      <td>[future, futureproofing]</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>9</th>\n",
        "      <td>clean</td>\n",
-       "      <td>1709.0</td>\n",
-       "      <td>859.0</td>\n",
+       "      <td>1695.0</td>\n",
+       "      <td>837.0</td>\n",
        "      <td>[theoceancleanup, cleanup, clean, cleanseas, o...</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>10</th>\n",
+       "      <th>9</th>\n",
        "      <td>methanol</td>\n",
-       "      <td>1755.0</td>\n",
-       "      <td>1110.0</td>\n",
+       "      <td>1700.0</td>\n",
+       "      <td>1044.0</td>\n",
        "      <td>[methanol, emethanol]</td>\n",
        "    </tr>\n",
        "    <tr>\n",
+       "      <th>10</th>\n",
+       "      <td>future</td>\n",
+       "      <td>1770.0</td>\n",
+       "      <td>1684.0</td>\n",
+       "      <td>[future, futureproofing]</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
        "      <th>11</th>\n",
        "      <td>garbage</td>\n",
-       "      <td>1772.0</td>\n",
-       "      <td>511.0</td>\n",
+       "      <td>1808.0</td>\n",
+       "      <td>612.0</td>\n",
        "      <td>[garbage, greatpacificgarbagepatch]</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>12</th>\n",
        "      <td>responsib</td>\n",
-       "      <td>1840.0</td>\n",
-       "      <td>1093.0</td>\n",
+       "      <td>1889.0</td>\n",
+       "      <td>1135.0</td>\n",
        "      <td>[responsible, responsibility, responsibly, res...</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>13</th>\n",
        "      <td>carb</td>\n",
-       "      <td>1848.0</td>\n",
-       "      <td>1396.0</td>\n",
+       "      <td>1952.0</td>\n",
+       "      <td>1526.0</td>\n",
        "      <td>[decarbonisation, carbon, decarbonization, car...</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>14</th>\n",
        "      <td>chang</td>\n",
-       "      <td>2054.0</td>\n",
-       "      <td>1563.0</td>\n",
+       "      <td>2148.0</td>\n",
+       "      <td>1667.0</td>\n",
        "      <td>[change, changing, climatechange, changes, exc...</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>15</th>\n",
        "      <td>ocean</td>\n",
-       "      <td>2217.0</td>\n",
-       "      <td>1657.0</td>\n",
+       "      <td>2169.0</td>\n",
+       "      <td>1629.0</td>\n",
        "      <td>[ocean, theoceancleanup, oceans, oceanplastic,...</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>16</th>\n",
        "      <td>plastic</td>\n",
-       "      <td>2354.0</td>\n",
-       "      <td>1587.0</td>\n",
+       "      <td>2320.0</td>\n",
+       "      <td>1490.0</td>\n",
        "      <td>[plastic, oceanplastic, plasticwaste, plasticp...</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>17</th>\n",
        "      <td>neutral</td>\n",
-       "      <td>2384.0</td>\n",
-       "      <td>1886.0</td>\n",
+       "      <td>2382.0</td>\n",
+       "      <td>1798.0</td>\n",
        "      <td>[neutral, carbonneutral, neutrality, co2neutral]</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>18</th>\n",
        "      <td>environment</td>\n",
-       "      <td>2537.0</td>\n",
-       "      <td>1736.0</td>\n",
+       "      <td>2391.0</td>\n",
+       "      <td>1574.0</td>\n",
        "      <td>[environment, environmental, unenvironment, en...</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>19</th>\n",
-       "      <td>sulphur</td>\n",
-       "      <td>2572.0</td>\n",
-       "      <td>1524.0</td>\n",
-       "      <td>[sulphur, lowsulphur]</td>\n",
+       "      <td>green</td>\n",
+       "      <td>2393.0</td>\n",
+       "      <td>1158.0</td>\n",
+       "      <td>[green, greenfuels, greener, greenfuel, greent...</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>20</th>\n",
-       "      <td>green</td>\n",
-       "      <td>2580.0</td>\n",
-       "      <td>1376.0</td>\n",
-       "      <td>[green, greenfuels, greener, greenfuel, greenl...</td>\n",
+       "      <td>sulphur</td>\n",
+       "      <td>2828.0</td>\n",
+       "      <td>1772.0</td>\n",
+       "      <td>[sulphur, lowsulphur]</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>21</th>\n",
        "      <td>emissions</td>\n",
-       "      <td>2912.0</td>\n",
-       "      <td>2065.0</td>\n",
+       "      <td>2925.0</td>\n",
+       "      <td>2046.0</td>\n",
        "      <td>[emissions, carbonemissions, zeroemissions]</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>22</th>\n",
-       "      <td>climate</td>\n",
-       "      <td>2943.0</td>\n",
-       "      <td>1978.0</td>\n",
-       "      <td>[climateaction, climate, climatechange, climat...</td>\n",
+       "      <td>zero</td>\n",
+       "      <td>2977.0</td>\n",
+       "      <td>1646.0</td>\n",
+       "      <td>[zero, netzero, zerocarbon, zerocarbonship, ze...</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>23</th>\n",
-       "      <td>zero</td>\n",
-       "      <td>2972.0</td>\n",
-       "      <td>1670.0</td>\n",
-       "      <td>[zero, netzero, zerocarbon, zerocarbonship, ze...</td>\n",
+       "      <td>climate</td>\n",
+       "      <td>3046.0</td>\n",
+       "      <td>2095.0</td>\n",
+       "      <td>[climateaction, climate, climatechange, climat...</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>24</th>\n",
        "      <td>eco</td>\n",
-       "      <td>3128.0</td>\n",
-       "      <td>1228.0</td>\n",
+       "      <td>3074.0</td>\n",
+       "      <td>1269.0</td>\n",
        "      <td>[ecosystem, eco, maerskecodelivery, ecofriendl...</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>25</th>\n",
        "      <td>mission</td>\n",
-       "      <td>3245.0</td>\n",
-       "      <td>1937.0</td>\n",
-       "      <td>[emissions, mission, carbonemissions, eucommis...</td>\n",
+       "      <td>3247.0</td>\n",
+       "      <td>1950.0</td>\n",
+       "      <td>[emissions, mission, eucommission, carbonemiss...</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>26</th>\n",
        "      <td>CO2</td>\n",
-       "      <td>3279.0</td>\n",
-       "      <td>2165.0</td>\n",
-       "      <td>[co2, co2emission, co2neutral]</td>\n",
+       "      <td>3390.0</td>\n",
+       "      <td>2275.0</td>\n",
+       "      <td>[co2, co2neutral, co2emission]</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>27</th>\n",
        "      <td>bio</td>\n",
-       "      <td>3579.0</td>\n",
-       "      <td>1252.0</td>\n",
-       "      <td>[biofuel, biofuels, biodiversity, biohuts]</td>\n",
+       "      <td>3687.0</td>\n",
+       "      <td>1274.0</td>\n",
+       "      <td>[biofuel, biofuels, biohuts, biodiversity]</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
        "</div>"
       ],
       "text/plain": [
-       "           root  mean_ranking  std_ranking  \\\n",
-       "0      challeng         406.0        248.0   \n",
+       "           root  mean_ranking  std_ranking   \n",
+       "0      challeng         420.0        264.0  \\\n",
        "1           SDG         423.0          0.0   \n",
-       "2           ESG         635.0          0.0   \n",
-       "3     recycling         848.0        171.0   \n",
-       "4           CSR        1345.0          0.0   \n",
-       "5         reduc        1359.0       1199.0   \n",
-       "6        planet        1390.0          0.0   \n",
-       "7     sustainab        1516.0       1825.0   \n",
-       "8        future        1626.0       1540.0   \n",
-       "9         clean        1709.0        859.0   \n",
-       "10     methanol        1755.0       1110.0   \n",
-       "11      garbage        1772.0        511.0   \n",
-       "12    responsib        1840.0       1093.0   \n",
-       "13         carb        1848.0       1396.0   \n",
-       "14        chang        2054.0       1563.0   \n",
-       "15        ocean        2217.0       1657.0   \n",
-       "16      plastic        2354.0       1587.0   \n",
-       "17      neutral        2384.0       1886.0   \n",
-       "18  environment        2537.0       1736.0   \n",
-       "19      sulphur        2572.0       1524.0   \n",
-       "20        green        2580.0       1376.0   \n",
-       "21    emissions        2912.0       2065.0   \n",
-       "22      climate        2943.0       1978.0   \n",
-       "23         zero        2972.0       1670.0   \n",
-       "24          eco        3128.0       1228.0   \n",
-       "25      mission        3245.0       1937.0   \n",
-       "26          CO2        3279.0       2165.0   \n",
-       "27          bio        3579.0       1252.0   \n",
+       "2           ESG         636.0          0.0   \n",
+       "3     recycling         860.0        154.0   \n",
+       "4         reduc        1242.0        965.0   \n",
+       "5        planet        1295.0          0.0   \n",
+       "6           CSR        1371.0          0.0   \n",
+       "7     sustainab        1527.0       1873.0   \n",
+       "8         clean        1695.0        837.0   \n",
+       "9      methanol        1700.0       1044.0   \n",
+       "10       future        1770.0       1684.0   \n",
+       "11      garbage        1808.0        612.0   \n",
+       "12    responsib        1889.0       1135.0   \n",
+       "13         carb        1952.0       1526.0   \n",
+       "14        chang        2148.0       1667.0   \n",
+       "15        ocean        2169.0       1629.0   \n",
+       "16      plastic        2320.0       1490.0   \n",
+       "17      neutral        2382.0       1798.0   \n",
+       "18  environment        2391.0       1574.0   \n",
+       "19        green        2393.0       1158.0   \n",
+       "20      sulphur        2828.0       1772.0   \n",
+       "21    emissions        2925.0       2046.0   \n",
+       "22         zero        2977.0       1646.0   \n",
+       "23      climate        3046.0       2095.0   \n",
+       "24          eco        3074.0       1269.0   \n",
+       "25      mission        3247.0       1950.0   \n",
+       "26          CO2        3390.0       2275.0   \n",
+       "27          bio        3687.0       1274.0   \n",
        "\n",
        "                                         word_matches  \n",
        "0                [challenges, challenge, challenging]  \n",
        "1                                              [sdgs]  \n",
        "2                                               [esg]  \n",
        "3                          [recycling, shiprecycling]  \n",
-       "4                                               [csr]  \n",
-       "5   [reduce, reducing, reduced, reduction, reducti...  \n",
-       "6                                            [planet]  \n",
+       "4   [reduce, reducing, reduced, reduction, reducti...  \n",
+       "5                                            [planet]  \n",
+       "6                                               [csr]  \n",
        "7   [sustainability, sustainable, sustainableshipp...  \n",
-       "8                            [future, futureproofing]  \n",
-       "9   [theoceancleanup, cleanup, clean, cleanseas, o...  \n",
-       "10                              [methanol, emethanol]  \n",
+       "8   [theoceancleanup, cleanup, clean, cleanseas, o...  \n",
+       "9                               [methanol, emethanol]  \n",
+       "10                           [future, futureproofing]  \n",
        "11                [garbage, greatpacificgarbagepatch]  \n",
        "12  [responsible, responsibility, responsibly, res...  \n",
        "13  [decarbonisation, carbon, decarbonization, car...  \n",
@@ -850,18 +850,18 @@
        "16  [plastic, oceanplastic, plasticwaste, plasticp...  \n",
        "17   [neutral, carbonneutral, neutrality, co2neutral]  \n",
        "18  [environment, environmental, unenvironment, en...  \n",
-       "19                              [sulphur, lowsulphur]  \n",
-       "20  [green, greenfuels, greener, greenfuel, greenl...  \n",
+       "19  [green, greenfuels, greener, greenfuel, greent...  \n",
+       "20                              [sulphur, lowsulphur]  \n",
        "21        [emissions, carbonemissions, zeroemissions]  \n",
-       "22  [climateaction, climate, climatechange, climat...  \n",
-       "23  [zero, netzero, zerocarbon, zerocarbonship, ze...  \n",
+       "22  [zero, netzero, zerocarbon, zerocarbonship, ze...  \n",
+       "23  [climateaction, climate, climatechange, climat...  \n",
        "24  [ecosystem, eco, maerskecodelivery, ecofriendl...  \n",
-       "25  [emissions, mission, carbonemissions, eucommis...  \n",
-       "26                     [co2, co2emission, co2neutral]  \n",
-       "27         [biofuel, biofuels, biodiversity, biohuts]  "
+       "25  [emissions, mission, eucommission, carbonemiss...  \n",
+       "26                     [co2, co2neutral, co2emission]  \n",
+       "27         [biofuel, biofuels, biohuts, biodiversity]  "
       ]
      },
-     "execution_count": 78,
+     "execution_count": 6,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -874,7 +874,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 79,
+   "execution_count": 7,
    "id": "7b3dbcf3-2d95-4a5e-b795-cea63da2a34a",
    "metadata": {},
    "outputs": [],
@@ -910,7 +910,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.10.9"
+   "version": "3.8.10"
   }
  },
  "nbformat": 4,
diff --git a/word_root_ranking.csv b/word_root_ranking.csv
new file mode 100644
index 0000000..0d391a4
--- /dev/null
+++ b/word_root_ranking.csv
@@ -0,0 +1,29 @@
+,root,mean_ranking,std_ranking,word_matches
+0,challeng,420,264,"['challenges', 'challenge', 'challenging']"
+1,SDG,423,0,['sdgs']
+2,ESG,636,0,['esg']
+3,recycling,860,154,"['recycling', 'shiprecycling']"
+4,reduc,1242,965,"['reduce', 'reducing', 'reduced', 'reduction', 'reductions', 'reduces']"
+5,planet,1295,0,['planet']
+6,CSR,1371,0,['csr']
+7,sustainab,1527,1873,"['sustainability', 'sustainable', 'sustainableshipping', 'sustainablelogistics', 'sustainabletogether', 'sustainablity']"
+8,clean,1695,837,"['theoceancleanup', 'cleanup', 'clean', 'cleanseas', 'oceancleanup', 'worldcleanupday', 'cleaner', 'cleaning']"
+9,methanol,1700,1044,"['methanol', 'emethanol']"
+10,future,1770,1684,"['future', 'futureproofing']"
+11,garbage,1808,612,"['garbage', 'greatpacificgarbagepatch']"
+12,responsib,1889,1135,"['responsible', 'responsibility', 'responsibly', 'responsibilities']"
+13,carb,1952,1526,"['decarbonisation', 'carbon', 'decarbonization', 'carbonneutral', 'decarbonising', 'decarbonise', 'zerocarbon', 'decarbonize', 'zerocarbonship', 'decarbonisinglogistics', 'lowcarbon', 'carbonemissions', 'zerocarbonshipping', 'carbonconstrained', 'decarbonizing']"
+14,chang,2148,1667,"['change', 'changing', 'climatechange', 'changes', 'exchange', 'principlesofchange', 'everchanging', 'changer', 'changetheworld']"
+15,ocean,2169,1629,"['ocean', 'theoceancleanup', 'oceans', 'oceanplastic', 'worldoceansday', 'oceanhealth', 'oceancleanup', 'oceanrail', 'oceanaction', 'oceanforclimate', 'oceangoing']"
+16,plastic,2320,1490,"['plastic', 'oceanplastic', 'plasticwaste', 'plasticpollution', 'plastics']"
+17,neutral,2382,1798,"['neutral', 'carbonneutral', 'neutrality', 'co2neutral']"
+18,environment,2391,1574,"['environment', 'environmental', 'unenvironment', 'environmentally', 'environmentallyfriendly']"
+19,green,2393,1158,"['green', 'greenfuels', 'greener', 'greenfuel', 'greentransition', 'greentech', 'greenland', 'greenhouse', 'greenvillespartanburg', 'greenest']"
+20,sulphur,2828,1772,"['sulphur', 'lowsulphur']"
+21,emissions,2925,2046,"['emissions', 'carbonemissions', 'zeroemissions']"
+22,zero,2977,1646,"['zero', 'netzero', 'zerocarbon', 'zerocarbonship', 'zero2050', 'gettingtozerocoalition', 'zerocarbonshipping', 'steelzero', 'racetozero', 'zeroemissions', 'zerowaste']"
+23,climate,3046,2095,"['climateaction', 'climate', 'climatechange', 'climategroup', 'oceanforclimate', 'worldclimatesummit', 'climatebreakthroughs', 'myclimateaction']"
+24,eco,3074,1269,"['ecosystem', 'eco', 'maerskecodelivery', 'ecofriendly', 'ecodelivery', 'recommendations']"
+25,mission,3247,1950,"['emissions', 'mission', 'eucommission', 'carbonemissions', 'emission', 'zeroemissions', 'co2emission']"
+26,CO2,3390,2275,"['co2', 'co2neutral', 'co2emission']"
+27,bio,3687,1274,"['biofuel', 'biofuels', 'biohuts', 'biodiversity']"