There are 12 words that end with 'somer'.
| isomer | capsomer |
| ransomer | winsomer |
| grewsomer | gruesomer |
| handsomer | gladsomer |
| unbosomer | wholesomer |
| stereoisomer | diastereoisomer |
Note: These 12 words that end with 'somer' are found from the USA & Canada version of the tournament Scrabble word list.