Pelvis rhymes with:
holvis, holvis', beavis, bodhisattvas, canvas, canvass, chivas, corvus, covas, crevice, davis, davis', disservice, gervase, grievous, gustavus, holvis, holvis', jarvis, mischievous, navas, nervous, novice, provus, service, synovus
Pelvis sounds like:
palafox, pavlovic, pavlovich, pelvic, phelps, phelps's, philbeck, philip's, philippic, philippoussis, philipps, philips, philips', philips's, phillip's, phillipps, phillips, phillips', phillips's, pilevsky, plavsic, plavsic's, playback, playbook, playboy's, playoffs, polivka, polyphase, polyps, pullback, pullbacks