Letter on position 1 (k) changed: 5 words derns ferns herns perns terns Letter on position 2 (e) changed: 2 words karns kirns Letter on position 3 (r) changed: 1 word keens Letter on position 4 (n) changed: 3 words kerbs kerfs keros Letter on position 5 (s) changed: 1 word kerne