Letter on position 1 (o) changed: 16 words bats cats eats fats gats hats kats lats mats nats pats qats rats tats vats wats Letter on position 2 (a) changed: 5 words oots opts orts outs owts Letter on position 3 (t) changed: 3 words oafs oaks oars Letter on position 4 (s) changed: 1 word oath