There is 1 12-letter word that end with 'ock'.
electroshock | ||
Note: These 1 12-letter words that end with 'ock' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with lock, tock, cock, rock, dock, hock, mock, nock, sock, bock, jock, pock, yock.
4-letter words end with 'ock' (12)