| Similarity | Rank | |
|---|---|---|
| depressants | 0.942 | 68464 |
| stimulant | 0.900 | 22497 |
| anti-depressant | 0.880 | 60210 |
| benzodiazepine | 0.867 | 60193 |
| stimulants | 0.862 | 26698 |
| Benzodiazepines | 0.861 | 97593 |
| antidepressant | 0.859 | 25641 |
| sedating | 0.858 | 85023 |
| anticonvulsant | 0.857 | 88260 |
| anti-anxiety | 0.856 | 66044 |
| benzodiazepines | 0.854 | 38468 |
| barbiturates | 0.854 | 79147 |
| anticholinergic | 0.854 | 98701 |
| opiates | 0.848 | 35674 |
| monoamine | 0.846 | 84399 |
| sedative | 0.846 | 33742 |
| habit-forming | 0.844 | 94351 |
| amphetamines | 0.841 | 47286 |
| relaxant | 0.841 | 60673 |
| anti-depressants | 0.840 | 49764 |
| antidepressants | 0.840 | 20708 |
| tranquilizers | 0.835 | 65447 |
| anticonvulsants | 0.828 | 99874 |
| norepinephrine | 0.828 | 48622 |
| opiate | 0.826 | 33357 |