Letter on position 1 (l) changed: 16 words bats cats eats fats gats hats kats mats nats oats pats qats rats tats vats wats Letter on position 2 (a) changed: 3 words lets lits lots Letter on position 3 (t) changed: 12 words labs lacs lads lags lahs lams laps lars lass lavs laws lays Letter on position 4 (s) changed: 4 words late lath lati latu