Letter on position 1 (k) changed: 16 words bats cats eats fats gats hats lats mats nats oats pats qats rats tats vats wats Letter on position 2 (a) changed: 2 words kets kits Letter on position 3 (t) changed: 9 words kaas kabs kaes kafs kais kaks kans kaws kays Letter on position 4 (s) changed: 2 words kata kati