Letter on position 1 (t) changed: 15 words bows cows dows hows jows kows lows mows nows pows rows sows vows wows yows Letter on position 2 (o) changed: 2 words taws tews Letter on position 3 (w) changed: 11 words tocs tods toes togs toms tons tops tors toss tots toys Letter on position 4 (s) changed: 3 words town towt towy