Ivax rhymes with:
horvac's, kovacs, kovaks, novak's, slovaks, alumax, amax, anthrax, apacs, betamax, bodziak's, broadnax, brodnax, cinemax, cossacks, delphax, feltrax, horvac's, kayaks, kazakhs, kovacs, kovaks, mulanax, mullinax, nasdaq's, novak's, paramax, pasternak's, pedophiliacs, prothorax, slovaks, thorax, truax, vegisnax, votrax, winamac's, xanax, zovirax
Ivax sounds like:
ibach, ibex, ibis, ifas, ifs, ipco, ipock, ipsco, ivaco, ives