Letter on position 1 (h) changed: 11 words boys coys doys foys goys joys loys moys noys soys toys Letter on position 2 (o) changed: 2 words hays heys Letter on position 3 (y) changed: 14 words hoas hobs hods hoes hogs hohs hols homs hons hops hors hoss hots hows Letter on position 4 (s) changed: 1 word hoya