List A: plant, stamp, stand, blimp, stump, twigs, twins
List B: cork, corn, fork, horn, tractor, orbit, thorn, forest
List C: bustle, channel, connect, empire, mention, peak, scholar, settle, vehicle, zigzag
List D: appall, dejected, depend, dreary, fanatic, impact, invade, isolate, occupy, reveal, rout, suspect, temporary, terror, tragic