Letter on position 1 (w) changed: 8 words carts darts farts harts karts marts parts tarts Letter on position 2 (a) changed: 1 word worts Letter on position 3 (r) changed: 6 words wadts wafts waits wants wasts watts Letter on position 4 (t) changed: 7 words warbs wards wares warks warms warns warps Letter on position 5 (s) changed: 1 word warty