Letter on position 1 (h) changed: 13 words bells cells dells fells jells kells mells pells sells tells vells wells yells Letter on position 2 (e) changed: 3 words halls hills hulls Letter on position 3 (l) changed: 4 words heals heels heils herls Letter on position 4 (l) changed: 4 words heles helms helos helps Letter on position 5 (s) changed: 1 word hello