| Similarity | Rank | |
|---|---|---|
| tranquillizer | 0.765 | 22516 |
| painkiller | 0.750 | 21719 |
| anti-depressant | 0.748 | 33508 |
| contraceptive | 0.734 | 10385 |
| aspirin | 0.730 | 11528 |
| valium | 0.724 | 22141 |
| tranquilliser | 0.715 | 24145 |
| barbiturate | 0.715 | 34844 |
| paracetamol | 0.712 | 19877 |
| codeine | 0.705 | 51314 |
| anti-malaria | 0.695 | 99022 |
| pethidine | 0.690 | 38241 |
| tagamet | 0.689 | 64989 |
| sedative | 0.684 | 22484 |
| condom | 0.683 | 8880 |
| suppressant | 0.682 | 63372 |
| tampon | 0.677 | 26098 |
| methadone | 0.676 | 27683 |
| allergy | 0.675 | 11634 |
| morphia | 0.673 | 57450 |
| pessary | 0.673 | 54182 |
| strychnine | 0.670 | 44118 |
| syringe | 0.669 | 12541 |
| pain-killing | 0.667 | 64935 |
| inhaler | 0.665 | 28808 |