13-Letter Words End with 'fing'

There are 4 13-letter words that end with 'fing'.

flameproofing	soundproofing
understaffing	waterproofing

Note: These 4 13-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)
7-letter words end with 'fing' (43)
8-letter words end with 'fing' (30)
9-letter words end with 'fing' (12)
10-letter words end with 'fing' (7)
11-letter words end with 'fing' (8)
12-letter words end with 'fing' (10)
13-letter words end with 'fing' (4)
15-letter words end with 'fing' (1)