There are 12 words that end with 'phin'.
| dauphin | dolphin |
| morphin | phosphin |
| seraphin | dynorphin |
| endorphin | luteotrophin |
| thyrotrophin | gonadotrophin |
| somatotrophin | corticotrophin |
Note: These 12 words that end with 'phin' are found from the USA & Canada version of the tournament Scrabble word list.