There are 4 12-letter words that end with 'fed'.
flameproofed | soundproofed | understaffed |
waterproofed | ||
Note: These 4 12-letter words that end with 'fed' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with ffed, ofed, rfed, efed, lfed, ifed, afed, nfed, tfed, bfed, sfed, ufed.
5-letter words end with 'fed' (5)