| Similarity | Rank | |
|---|---|---|
| methadone | 0.825 | 27683 |
| tranquillizer | 0.808 | 22516 |
| librium | 0.796 | 78302 |
| tranquilliser | 0.791 | 24145 |
| anti-depressant | 0.790 | 33508 |
| barbiturate | 0.781 | 34844 |
| pethidine | 0.778 | 38241 |
| diazepam | 0.765 | 50930 |
| painkiller | 0.740 | 21719 |
| pain-killing | 0.738 | 64935 |
| hay-fever | 0.737 | 93954 |
| paracetamol | 0.736 | 19877 |
| aspirin | 0.733 | 11528 |
| largactil | 0.732 | 98248 |
| dihydrocodeine | 0.729 | 90308 |
| bulimic | 0.726 | 45079 |
| pill | 0.724 | 5412 |
| tagamet | 0.723 | 64989 |
| zantac | 0.723 | 65724 |
| menopausal | 0.721 | 45393 |
| prozac | 0.717 | 46161 |
| ventolin | 0.714 | 83233 |
| laxative | 0.712 | 20093 |
| backache | 0.712 | 28914 |
| inhaler | 0.711 | 28808 |