Letter on position 1 (r) changed: 10 words cains fains gains hains kains mains pains sains tains wains Letter on position 2 (a) changed: 3 words reins roins ruins Letter on position 3 (i) changed: 2 words rauns rawns Letter on position 4 (n) changed: 5 words raias raids raiks rails raits Letter on position 5 (s) changed: 2 words raine rainy