Letter on position 1 (k) changed: 14 words bets fets gets hets jets lets mets nets pets rets sets tets vets wets Letter on position 2 (e) changed: 2 words kats kits Letter on position 3 (t) changed: 9 words keas kebs keds kefs kegs keks kens keps keys Letter on position 4 (s) changed: 3 words keta kete keto