| Similarity | Rank | |
|---|---|---|
| opiates | 0.903 | 35674 |
| psychotropic | 0.884 | 50722 |
| amphetamines | 0.882 | 47286 |
| amphetamine | 0.874 | 38848 |
| narcotics | 0.874 | 23843 |
| opiate | 0.869 | 33357 |
| barbiturates | 0.868 | 79147 |
| morphine | 0.860 | 23737 |
| Oxycontin | 0.854 | 61490 |
| painkiller | 0.851 | 47091 |
| OxyContin | 0.850 | 45763 |
| opioids | 0.849 | 37974 |
| tranquilizers | 0.849 | 65447 |
| opioid | 0.849 | 29361 |
| pseudoephedrine | 0.848 | 74568 |
| Oxycodone | 0.848 | 56911 |
| Valium | 0.847 | 40151 |
| fentanyl | 0.845 | 74000 |
| ketamine | 0.841 | 70700 |
| methadone | 0.840 | 26576 |
| benzodiazepines | 0.838 | 38468 |
| Vicodin | 0.837 | 36098 |
| Xanax | 0.837 | 33327 |
| painkillers | 0.835 | 28230 |
| Rohypnol | 0.834 | 74595 |