Letter on position 1 (c) changed: 9 words boots foots hoots loots moots poots roots soots toots Letter on position 2 (o) changed: 1 word clots Letter on position 3 (o) changed: 5 words coats coits colts costs cotts Letter on position 4 (t) changed: 6 words coofs cooks cools cooms coons coops