| Similarity | Rank | |
|---|---|---|
| tranquillizer | 0.870 | 22516 |
| barbiturate | 0.864 | 34844 |
| anti-depressant | 0.844 | 33508 |
| methadone | 0.828 | 27683 |
| naltrexone | 0.809 | 99591 |
| medication | 0.796 | 8742 |
| valium | 0.791 | 22141 |
| pain-killing | 0.789 | 64935 |
| menopausal | 0.787 | 45393 |
| pethidine | 0.786 | 38241 |
| addiction | 0.785 | 7898 |
| psychotropic | 0.783 | 40456 |
| mood-altering | 0.779 | 34314 |
| paracetamol | 0.777 | 19877 |
| painkiller | 0.777 | 21719 |
| sedative | 0.774 | 22484 |
| dihydrocodeine | 0.772 | 90308 |
| analgesic | 0.771 | 24504 |
| cystitis | 0.770 | 25193 |
| temazepam | 0.769 | 75843 |
| hallucinogen | 0.769 | 59310 |
| hay-fever | 0.768 | 93954 |
| anti-inflammatory | 0.761 | 28585 |
| laxative | 0.759 | 20093 |
| non-steroidal | 0.758 | 33921 |