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.