There are 172 12-letter words that end with 'ated'.
Note: These 172 12-letter words that end with 'ated' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with lated, rated, nated, cated, iated, tated, eated, gated, dated, mated, uated, vated, bated, oated, pated, sated, hated, fated, kated, xated.
5-letter words end with 'ated' (10)