There are 81 11-letter words that end with 'est'.
Note: These 81 11-letter words that end with 'est' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with iest, test, dest, lest, rest, nest, hest, gest, kest, mest, sest, fest, uest, vest, pest, west, yest, best, cest, eest, xest, aest, jest, oest, zest.
4-letter words end with 'est' (13)