Letter on position 1 (p) changed: 9 words boots coots foots hoots loots moots roots soots toots Letter on position 2 (o) changed: 3 words phots plots pyots Letter on position 3 (o) changed: 7 words poets polts ponts ports posts potts pouts Letter on position 4 (t) changed: 7 words poods poofs poohs pooks pools poons poops