Plavsic's rhymes with:
anorexics, basic's, basics, basix, biophysics, classics, essex, forensics, physics', sussex, toxics
Plavsic's sounds like:
palafox, pavlovic, pavlovich, pelvic, pelvis, phelps, phelps's, philbeck, philip's, philippic, philippoussis, philipps, philips, philips', philips's, phillip's, phillipps, phillips, phillips', phillips's, pilevsky, plavsic, playback, playbook, playboy's, playoffs, polivka, polyphase, polyps, pullback, pullbacks