Letter on position 1 (c) changed: 3 words brock frock trock Letter on position 2 (r) changed: 2 words chock clock Letter on position 3 (o) changed: 3 words crack crick cruck Letter on position 4 (c) changed: 3 words croak cronk crook Letter on position 5 (k) changed: 2 words croci crocs