There are 14 13-letter words that end with 'ition'.
| cycloaddition | decomposition |
| disinhibition | indisposition |
| interposition | juxtaposition |
| nondeposition | overnutrition |
| reacquisition | recomposition |
| redisposition | superaddition |
| superposition | transposition |
Note: These 14 13-letter words that end with 'ition' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with sition, dition, nition, tition, rition, bition, lition, uition, oition.
7-letter words end with 'ition' (3)