There are 1,793 words that end with 'ation'.
Note: These 1,793 words that end with 'ation' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with zation, cation, lation, tation, ration, nation, iation, gation, mation, vation, dation, uation, sation, pation, xation, bation, eation, kation, fation.
6-letter words end with 'ation' (4)