Hiller rhymes with:
biller, chiller, cihlar, ciller, diller, distiller, driller, filler, giller, killer, liller, litwiller, mcmiller, millar, miller, pillar, piller, reid-miller, schiller, shiller, siller, spiller, stadtmiller, stiller, thriller, tiller, villar, willer, ziller
Hiller sounds like:
hallauer, haller, hauler, healer, heiler, heller, hellier, hellyer, hewler, hilaria, hilario, hilary, hiler, hillary, hilleary, hillery, hillier, hillyer, hilyer, hohler, holier, hollar, holler, hollier, howler, huyler, hyler