Letter on position 1 (b) changed: 9 words carns darns earns harns karns larns tarns warns yarns Letter on position 2 (a) changed: 1 word burns Letter on position 3 (r) changed: 2 words banns bawns Letter on position 4 (n) changed: 7 words barbs bards bares barfs barks barms barps Letter on position 5 (s) changed: 1 word barny