| Similarity | Rank | |
|---|---|---|
| PROPOXYPHENE | 0.949 | 66758 |
| VICODIN | 0.948 | 44698 |
| HYDROCODONE | 0.945 | 38109 |
| OXYCODONE | 0.943 | 46737 |
| METHADONE | 0.943 | 44502 |
| CARISOPRODOL | 0.942 | 47824 |
| LORTAB | 0.942 | 43915 |
| MORPHINE | 0.942 | 61554 |
| VALIUM | 0.939 | 43351 |
| DARVOCET | 0.939 | 44239 |
| CLONAZEPAM | 0.939 | 64424 |
| PERCOCET | 0.938 | 44796 |
| BUTALBITAL | 0.935 | 50181 |
| XANAX | 0.934 | 44454 |
| ULTRACET | 0.933 | 92923 |
| TEMAZEPAM | 0.932 | 65865 |
| CODEINE | 0.931 | 30981 |
| DIAZEPAM | 0.931 | 41276 |
| RIVOTRIL | 0.929 | 58496 |
| ALPRAZOLAM | 0.928 | 54478 |
| FIORICET | 0.928 | 49676 |
| PERCODAN | 0.927 | 70179 |
| KLONOPIN | 0.927 | 55427 |
| LORCET | 0.926 | 78525 |
| ULTRAM | 0.924 | 42384 |