There are 24 12-letter words that end with 'ially'.
Note: These 24 12-letter words that end with 'ially' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with tially, rially, cially, nially, dially, bially, xially, sially, vially, gially, hially, lially, uially, mially, pially.
7-letter words end with 'ially' (1)