Letter on position 1 (m) changed: 9 words belts celts delts felts gelts kelts pelts welts yelts Letter on position 2 (e) changed: 3 words malts milts molts Letter on position 3 (l) changed: 2 words meats meets Letter on position 4 (t) changed: 3 words melas melds mells Letter on position 5 (s) changed: 1 word melty