There are 10 12-letter words that end with 'fing'.
| babyproofing | bombproofing | crossruffing |
| mothproofing | fireproofing | rustproofing |
| overbriefing | overstaffing | overstuffing |
| rainproofing | ||
Note: These 10 12-letter words that end with 'fing' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with ffing, ofing, rfing, lfing, ifing, afing, efing.
6-letter words end with 'fing' (3)