| Similarity | Rank | |
|---|---|---|
| CODEINE | 0.974 | 30981 |
| TYLENOL | 0.933 | 48037 |
| BUTALBITAL | 0.933 | 50181 |
| HYDROCODONE | 0.930 | 38109 |
| PROPOXYPHENE | 0.928 | 66758 |
| CYCLOBENZAPRINE | 0.928 | 93247 |
| TUSSIONEX | 0.927 | 70426 |
| ULTRAM | 0.926 | 42384 |
| PHENERGAN | 0.926 | 67750 |
| TRAMADOL | 0.924 | 35975 |
| VALIUM | 0.923 | 43351 |
| FIORICET | 0.920 | 49676 |
| MORPHINE | 0.918 | 61554 |
| CARISOPRODOL | 0.918 | 47824 |
| DIAZEPAM | 0.918 | 41276 |
| VICODIN | 0.917 | 44698 |
| FLEXERIL | 0.917 | 81212 |
| DARVOCET | 0.917 | 44239 |
| ATIVAN | 0.916 | 42739 |
| XANAX | 0.915 | 44454 |
| OXYCODONE | 0.914 | 46737 |
| ULTRACET | 0.913 | 92923 |
| METHADONE | 0.913 | 44502 |
| TEMAZEPAM | 0.912 | 65865 |
| KLONOPIN | 0.912 | 55427 |