Letter on position 1 (c) changed: 11 words boot foot hoot loot moot poot root soot toot woot zoot Letter on position 2 (o) changed: 1 word clot Letter on position 3 (o) changed: 6 words coat coft coit colt cost cott Letter on position 4 (t) changed: 7 words coof cook cool coom coon coop coos