There are 18 12-letter words that end with 'ishes'.
Note: These 18 12-letter words that end with 'ishes' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with fishes, nishes, lishes, rishes, dishes, uishes, bishes, mishes, vishes, wishes, hishes, pishes, tishes.
6-letter words end with 'ishes' (4)