There are 2,376 words that end with 'tion'.
Note: These 2,376 words that end with 'tion' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with ation, ction, ition, ption, ution, ntion, rtion, etion, stion, otion.
6-letter words end with 'tion' (10)