There is 1 12-letter word that end with 'tch'.
butterscotch | ||
Note: These 1 12-letter words that end with 'tch' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with atch, itch, etch, otch, utch, ltch.
4-letter words end with 'tch' (2)