Holvis' rhymes with:
holvis, holvis, holvis, pelvis, beavis, bodhisattvas, canvas, canvass, chivas, corvus, covas, crevice, davis, davis', disservice, gervase, grievous, gustavus, holvis, jarvis, mischievous, navas, nervous, novice, pelvis, provus, service, synovus
Holvis' sounds like:
halbach, halbig, half's, halfback, halfbacks, halifax, halves, helbig, hellbusch, helps, hlavac, hlavacek, hollabaugh, hollibaugh, hollobaugh, holvis, holvis's