Horvac's rhymes with:
ivax, kovacs, kovaks, novak's, slovaks, alumax, amax, anthrax, apacs, betamax, bodziak's, broadnax, brodnax, cinemax, cossacks, delphax, feltrax, ivax, kayaks, kazakhs, kovacs, kovaks, mulanax, mullinax, nasdaq's, novak's, paramax, pasternak's, pedophiliacs, prothorax, slovaks, thorax, truax, vegisnax, votrax, winamac's, xanax, zovirax
Horvac's sounds like:
harbach, harbaugh, harbeck, harbuck, harps, harvey's, herb's, herbaceous, herbeck, herbig, herbs, herpes, hirabayashi, horrific, horvac, hrabak, hrubik