| Similarity | Rank | |
|---|---|---|
| Ultram | 0.954 | 46580 |
| Tramadol | 0.923 | 32170 |
| Ativan | 0.917 | 50052 |
| Klonopin | 0.914 | 50409 |
| Imitrex | 0.914 | 72341 |
| Lortab | 0.910 | 77503 |
| TRAMADOL | 0.905 | 35975 |
| BUTALBITAL | 0.904 | 50181 |
| Xanax | 0.902 | 33327 |
| ULTRACET | 0.900 | 92923 |
| FIORICET | 0.897 | 49676 |
| Darvocet | 0.896 | 87417 |
| Hydrocodone | 0.895 | 59726 |
| Provigil | 0.893 | 64564 |
| Valium | 0.893 | 40151 |
| Vicodin | 0.892 | 36098 |
| Prevacid | 0.892 | 89793 |
| Clonazepam | 0.889 | 76585 |
| ULTRAM | 0.886 | 42384 |
| Lorazepam | 0.885 | 88737 |
| Ambien | 0.882 | 39846 |
| Alprazolam | 0.881 | 87921 |
| Percocet | 0.881 | 53614 |
| CYCLOBENZAPRINE | 0.880 | 93247 |
| VALIUM | 0.878 | 43351 |