Buthelezi's rhymes with:
butulesi's, butulesi's, butulesi's, butulesi's, butulesi's, butulesi's, crazies, daisies, daisy's, ashkenazis, boise's, butulesi's, buzzy's, caseze's, chimpanzees, crazies, daisies, daisy's, easy's, ferruzzi's, frenzies, guernseys, izzy's, jersey's, jerseys, konzi's, lindsey's, manzi's, menzies, new-jersey's, newsies, pansies, paparazzi's, paparazzis, peasey's, ramsey's, ramseys, rosie's, shevardnadze's, susie's, suzy's, uzis, woolsey's
Buthelezi's sounds like:
battelle's, battle's, battles, beadles, beatles, beatles', beetlejuice, beetles, befuddles, betelgeuse, biddle's, bidlack, bidlo's, boodles, bootleg, bootlegs, bottles, buthelezi, butulesi, butulesi's