| Similarity | Rank | |
|---|---|---|
| suppressant | 0.787 | 63372 |
| amphetamine | 0.787 | 21702 |
| naltrexone | 0.785 | 99591 |
| barbiturate | 0.782 | 34844 |
| endorphin | 0.778 | 46912 |
| amyl | 0.777 | 90681 |
| strychnine | 0.773 | 44118 |
| tranquillise | 0.771 | 74706 |
| intoxicant | 0.771 | 67752 |
| tranquilliser | 0.769 | 24145 |
| codeine | 0.769 | 51314 |
| depressant | 0.767 | 82785 |
| cross-addictive | 0.767 | 66394 |
| hallucinogenic | 0.764 | 40311 |
| psychoactive | 0.761 | 79063 |
| stimulant | 0.759 | 18947 |
| diamorphine | 0.758 | 73537 |
| mdma | 0.753 | 90628 |
| decongestant | 0.752 | 92625 |
| morphine | 0.752 | 18319 |
| amygdalin | 0.751 | 77888 |
| pain-killing | 0.749 | 64935 |
| antihistamine | 0.749 | 51844 |
| prussic | 0.748 | 92825 |
| allergen | 0.747 | 44917 |