| Similarity | Rank | |
|---|---|---|
| toxic | 0.809 | 5194 |
| lindane | 0.799 | 67136 |
| biphenyl | 0.795 | 49287 |
| ddt | 0.794 | 35026 |
| radioactivity | 0.791 | 14083 |
| pcb | 0.785 | 16503 |
| seveso | 0.784 | 45819 |
| methane | 0.782 | 11786 |
| radioactive | 0.781 | 6851 |
| carcinogenic | 0.777 | 25443 |
| sulphur | 0.775 | 6647 |
| nitrate | 0.773 | 7756 |
| pollutant | 0.772 | 10281 |
| contamination | 0.771 | 7877 |
| polychlorinate | 0.770 | 45744 |
| incineration | 0.765 | 18636 |
| monoxide | 0.765 | 12904 |
| intermediate-level | 0.764 | 62187 |
| hexafluoride | 0.763 | 78594 |
| pesticide | 0.760 | 6857 |
| contaminant | 0.760 | 23773 |
| particulate | 0.757 | 25930 |
| contaminate | 0.756 | 9590 |
| alloprene | 0.756 | 83778 |
| benzene | 0.749 | 21692 |