There are 4 12-letter words that end with 'fer'.
| counteroffer | hasenpfeffer | flameproofer |
| waterproofer | ||
Note: These 4 12-letter words that end with 'fer' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with ffer, ifer, ofer, efer, afer, lfer, nfer, rfer, sfer, ufer, mfer, tfer.
5-letter words end with 'fer' (10)