Hlavac rhymes with:
kovack, novack, havoc, kovac, kovack, litvak, mcgavock, novack, revak, sivak, spevak, spivack, spivak, spiwak
Hlavac sounds like:
halbach, halbig, half's, halfback, halfbacks, halifax, halves, helbig, hellbusch, helps, hlavacek, hollabaugh, hollibaugh, hollobaugh, holvis, holvis', holvis's