Letter on position 1 (d) changed: 15 words bows cows hows jows kows lows mows nows pows rows sows tows vows wows yows Letter on position 2 (o) changed: 2 words daws dews Letter on position 3 (w) changed: 15 words dobs docs dods does dogs dohs dols doms dons doos dops dors doss dots doys Letter on position 4 (s) changed: 6 words dowd dowf dowl down dowp dowt