Letter on position 1 (t) changed: 4 words bracks cracks fracks wracks Letter on position 2 (r) changed: 1 word thacks Letter on position 3 (a) changed: 4 words trecks tricks trocks trucks Letter on position 4 (c) changed: 2 words traiks tranks Letter on position 5 (k) changed: 2 words traces tracts