There is 1 12-letter word that end with 'tos'.
cinquecentos | ||
Note: These 1 12-letter words that end with 'tos' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with ttos, ntos, atos, itos, stos, otos, ltos, utos, rtos, ctos, ptos, etos, xtos.
5-letter words end with 'tos' (9)