There are 14 9-letter words that end with 'ff'.
| crossruff | cowlstaff | creampuff |
| feedstuff | fisticuff | flagstaff |
| foodstuff | nontariff | pikestaff |
| plaintiff | semistiff | overstaff |
| overstuff | waitstaff | |
Note: These 14 9-letter words that end with 'ff' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with off, uff, iff, aff, eff, wff.
3-letter words end with 'ff' (4)