Letter on position 1 (y) changed: 15 words bows cows dows hows jows kows lows mows nows pows rows sows tows vows wows Letter on position 2 (o) changed: 2 words yaws yews Letter on position 3 (w) changed: 4 words yobs yods yoks yous Letter on position 4 (s) changed: 2 words yowe yowl