There are 80 words that end with 'iform'.
Note: These 80 words that end with 'iform' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with liform, riform, ciform, tiform, niform, siform, eiform, biform, piform, viform, diform, miform, giform, uiform, xiform.