Hightower rhymes with:
airpower, belflower, bellflower, brainpower, cauliflower, coneflower, cornflower, eisenhower, fillauer, firepower, horsepower, hufbauer, icenhower, landauer, manpower, mayflower, safflower, seapower, sunflower, wallflower, wildflower, willpower, zembower
Hightower sounds like:
hectare, hector, heister, hester, hesther, hiester, history, hochstatter, hoctor, hoekstra, hoster, hostetter, huckster, hukstra, huster, hyster, hysteria