Letter on position 1 (c) changed: 4 words hosts mosts posts rosts Letter on position 2 (o) changed: 3 words casts cists cysts Letter on position 3 (s) changed: 5 words coats coits colts coots cotts Letter on position 4 (t) changed: 1 word coses Letter on position 5 (s) changed: 2 words costa coste