| Similarity | Rank | |
|---|---|---|
| antibiotic | 0.809 | 7160 |
| sulphonamide | 0.808 | 43862 |
| quinine | 0.789 | 26809 |
| antihistamine | 0.774 | 51844 |
| codeine | 0.768 | 51314 |
| tetracycline | 0.767 | 47272 |
| streptomycin | 0.753 | 38697 |
| anti-malarial | 0.747 | 86740 |
| morphine | 0.746 | 18319 |
| analgesic | 0.744 | 24504 |
| aspirin | 0.743 | 11528 |
| pethidine | 0.742 | 38241 |
| adjuvant | 0.742 | 40165 |
| vaccine | 0.737 | 8601 |
| atropine | 0.735 | 32241 |
| chloroquine | 0.733 | 58515 |
| antacid | 0.732 | 49418 |
| anaesthetics | 0.732 | 33359 |
| suppressant | 0.731 | 63372 |
| cortisone | 0.728 | 59048 |
| bismuth | 0.727 | 24282 |
| chloroform | 0.725 | 21668 |
| imigran | 0.723 | 73302 |
| antibacterial | 0.723 | 33696 |
| detoxify | 0.723 | 43109 |