| Similarity | Rank | |
|---|---|---|
| organophosphate | 0.878 | 84664 |
| organochlorine | 0.873 | 48475 |
| nitrogenous | 0.860 | 52585 |
| lindane | 0.856 | 67136 |
| bhc | 0.854 | 56525 |
| ddt | 0.851 | 35026 |
| dieldrin | 0.824 | 57671 |
| protozoal | 0.819 | 94333 |
| atrazine | 0.817 | 78097 |
| naturally-occurring | 0.817 | 73009 |
| insecticide | 0.815 | 17152 |
| carcinogen | 0.814 | 23531 |
| organo-chloride | 0.813 | 97671 |
| fungicide | 0.812 | 25448 |
| micro-organism | 0.812 | 20107 |
| contaminant | 0.810 | 23773 |
| radio-active | 0.810 | 71832 |
| high-protein | 0.809 | 50143 |
| microflora | 0.807 | 56461 |
| non-target | 0.807 | 87272 |
| herbicide | 0.806 | 19942 |
| molybdenum | 0.805 | 51774 |
| gonococcus | 0.805 | 41299 |
| aldrin | 0.803 | 81928 |
| unabsorbed | 0.801 | 81317 |