There are 5 13-letter words that end with 'ch'.
| liebfraumilch | featherstitch |
| kaffeeklatsch | lamellibranch |
| opisthobranch | |
Note: These 5 13-letter words that end with 'ch' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with tch, nch, ach, rch, uch, ich, ech, och, lch, sch, ych, cch.
3-letter words end with 'ch' (1)