| Similarity | Rank | |
|---|---|---|
| pollutant | 0.811 | 10281 |
| dioxin | 0.809 | 17452 |
| carcinogenic | 0.804 | 25443 |
| lindane | 0.786 | 67136 |
| carcinogen | 0.771 | 23531 |
| biphenyl | 0.763 | 49287 |
| polychlorinate | 0.759 | 45744 |
| radio-active | 0.755 | 71832 |
| radioactive | 0.754 | 6851 |
| pollute | 0.754 | 9638 |
| chlorinate | 0.754 | 31192 |
| ddt | 0.752 | 35026 |
| incineration | 0.750 | 18636 |
| defoliant | 0.749 | 73950 |
| pcb | 0.747 | 16503 |
| contaminant | 0.746 | 23773 |
| monoxide | 0.745 | 12904 |
| sewage | 0.744 | 6966 |
| tetrachloride | 0.743 | 38419 |
| sulphur | 0.742 | 6647 |
| ozone-depleting | 0.741 | 40272 |
| chlorine | 0.741 | 10537 |
| cyanide | 0.741 | 24907 |
| halon | 0.741 | 27495 |
| phenol | 0.740 | 28644 |