Republic's rhymes with:
republics, republics, interpublic's, public's, publics, publix, republics, interpublic's, public's, publics, publix, republics
Republic's sounds like:
rabalais, rafalski, raffles, ravel's, rebel's, rebellious, rebels, rebels', rebholz, refills, reflag, reflex, reflexes, repeals, repels, replace, replaces, replays, replica, replicas, replicase, replies, republic, republica, republics, republika, repulse, reveals, reveles, revels, revivals, rifles, ripples, rival's, rivals, rivals', robles, ruble's, rubles, ruffles