There are 381 13-letter words that end with 'ess'.
Note: These 381 13-letter words that end with 'ess' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with ness, less, ress, cess, tess, sess, dess, uess, fess, hess, mess, bess, gess, jess, oess, wess.
4-letter words end with 'ess' (6)