Letter on position 1 (n) changed: 13 words barks carks darks harks jarks karks larks marks parks rarks sarks warks yarks Letter on position 2 (a) changed: 2 words nerks norks Letter on position 3 (r) changed: 2 words nabks naiks Letter on position 4 (k) changed: 5 words naras narcs nards nares naris Letter on position 5 (s) changed: 1 word narky