Returns' rhymes with:
returns, sauternes, stearns, stern's, sterns, ternes, terns, turns, adjourns, berns, burnes, burns, burns', byrne's, byrnes, churns, concern's, concerns, concerns', discerns, earns, ferns, hearns, kearns, kern's, kernes, kerns, learns, mearns, querns, returns, sauternes, spurns, stearns, stern's, sterns, ternes, terns, turns, vernes, yearns
Returns' sounds like:
red-herring, red-herrings, redrawing, reordering, retiring, retraining, retrench, retrying, returnees, returning, returns