There are 2 15-letter words that end with 'xes'.
archaeopteryxes | cephalothoraxes |
Note: These 2 15-letter words that end with 'xes' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with axes, exes, oxes, ixes, nxes, uxes, yxes, lxes.
4-letter words end with 'xes' (3)