| Similarity | Rank | |
|---|---|---|
| NORCO | 0.805 | 45727 |
| Darvocet | 0.781 | 87417 |
| Ultram | 0.755 | 46580 |
| Vicodin | 0.755 | 36098 |
| Lortab | 0.754 | 77503 |
| propoxyphene | 0.739 | 97081 |
| darvocet | 0.735 | 81925 |
| Hydrocodone | 0.733 | 59726 |
| Oxycontin | 0.733 | 61490 |
| Percocet | 0.732 | 53614 |
| norco | 0.731 | 83110 |
| LORTAB | 0.729 | 43915 |
| SOMA | 0.724 | 36816 |
| VICODIN | 0.721 | 44698 |
| Neurontin | 0.716 | 73439 |
| carisoprodol | 0.716 | 71878 |
| butalbital | 0.712 | 84120 |
| OXYCODONE | 0.711 | 46737 |
| PERCOCET | 0.709 | 44796 |
| HYDROCODONE | 0.709 | 38109 |
| FLEXERIL | 0.706 | 81212 |
| OxyContin | 0.703 | 45763 |
| OXYCONTIN | 0.699 | 53820 |
| Methadone | 0.695 | 56563 |
| Oxy | 0.693 | 91260 |