Letter on position 1 (b) changed: 11 words carked darked harked karked larked marked narked parked rarked warked yarked Letter on position 2 (a) changed: 2 words borked burked Letter on position 3 (r) changed: 5 words backed balked banked basked bauked Letter on position 4 (k) changed: 6 words barbed barded barfed barged barned barred Letter on position 6 (d) changed: 2 words barken barker