There is 1 11-letter word that end with 'own'.
thistledown | ||
Note: These 1 11-letter words that end with 'own' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with down, rown, lown, town, nown, hown, sown, gown, mown.
4-letter words end with 'own' (6)