| Similarity | Rank | |
|---|---|---|
| lindane | 0.889 | 67136 |
| eutrophication | 0.872 | 42648 |
| coliform | 0.865 | 95968 |
| organochlorine | 0.864 | 48475 |
| dieldrin | 0.860 | 57671 |
| organophosphate | 0.859 | 84664 |
| biphenyl | 0.851 | 49287 |
| polychlorinate | 0.850 | 45744 |
| salinisation | 0.842 | 55212 |
| aldrin | 0.841 | 81928 |
| leguminous | 0.839 | 59643 |
| microfauna | 0.830 | 98718 |
| overgrazing | 0.829 | 43790 |
| non-organic | 0.827 | 73792 |
| fumigant | 0.823 | 99638 |
| ddt | 0.822 | 35026 |
| haemonchus | 0.821 | 77315 |
| polycyclic | 0.820 | 68633 |
| nitrogenous | 0.817 | 52585 |
| malathion | 0.817 | 55530 |
| organo-chloride | 0.817 | 97671 |
| digester | 0.815 | 79949 |
| nitrogen-fixing | 0.815 | 66398 |
| reseeding | 0.814 | 65057 |
| omega-3 | 0.813 | 83984 |