Overton rhymes with:
alverton, beaverton, everton, leaverton, woolverton, yelverton, agerton, alderton, allerton, alverton, anderton, atherton, beaverton, betterton, bickerton, brotherton, caperton, catterton, chatterton, chesterton, cullerton, edgerton, egerton, everton, fullerton, helmsburton, lamberton, leaverton, lumberton, netherton, palmerton, pemberton, pinkerton, somerton, stellarton, tetterton, warburton, winterton, woolverton, yelverton
Overton sounds like:
operation, opportune, overdone, overridden, overtime, overtone, overwritten