There are 16 words that end with 'uin'.
ruin | quin | bruin |
beduin | sequin | requin |
bedouin | penguin | alfaquin |
henequin | ramequin | baldaquin |
harlequin | mannequin | palanquin |
lambrequin | ||
Note: These 16 words that end with 'uin' are found from the USA & Canada version of the tournament Scrabble word list.