Letter on position 1 (c) changed: 9 words bolls dolls jolls lolls molls nolls polls rolls tolls Letter on position 2 (o) changed: 4 words calls cells cills culls Letter on position 3 (l) changed: 4 words coals coils cools cowls Letter on position 4 (l) changed: 4 words colas colds coles colts Letter on position 5 (s) changed: 1 word colly