Sauternes rhymes with:
returns, returns', 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, returns', spurns, stearns, stern's, sterns, ternes, terns, turns, vernes, yearns
Sauternes sounds like:
saturn's, saturns, scattering, sequestering, shattering, shoestring, shuddering, shuttering, sidearms, sistrunk, southern's, squadrons, staring, starnes, starns, starring, stearns, stearns's, steering, stern's, sternness, sterns, stirring, stirrings, storing, storm's, stormes, storminess, storming, storms, straining, strains, strang, strange, strangis, strangwayes, stransky, straying, streaming, streams, streng, strenuous, string, strings, stringy, stronach, strong, strumming, strums, strung, strunk, strunk's, sturmans, stuttering, suturing