There are 12 words that end with 'osins'.
| eosins | rosins | myosins |
| pocosins | tylosins | chymosins |
| nigrosins | thymosins | actomyosins |
| meromyosins | erythrosins | tropomyosins |
Note: These 12 words that end with 'osins' are found from the USA & Canada version of the tournament Scrabble word list.