Letter on position 1 (n) changed: 15 words bows cows dows hows jows kows lows mows pows rows sows tows vows wows yows Letter on position 2 (o) changed: 1 word news Letter on position 3 (w) changed: 7 words nobs nods noes nogs noms nous noys Letter on position 4 (s) changed: 4 words nowl nown nowt nowy