Phillip's rhymes with:
philipps, philips', phillipps, phillips, phillips', billips, philipps, philips', phillipps, phillips, phillips'
Phillip's sounds like:
palafox, pavlovic, pavlovich, pelvic, pelvis, phelps, phelps's, philbeck, philip's, philippic, philippoussis, philipps, philips, philips', philips's, phillipps, phillips, phillips', phillips's, pilevsky, plavsic, plavsic's, playback, playbook, playboy's, playoffs, polivka, polyphase, polyps, pullback, pullbacks