Atkins's rhymes with:
perkins's, collins's, cummins's, martins's, perkins's, rollins's, stephens's, allianz's, benz's, benzes, burns's, clines's, collins's, cummins's, dickens's, downes's, evans's, givens's, heinz's, hynes's, johns's, jones's, joneses, lenz's, lyons's, martens's, martins's, owens's, perkins's, pickens's, robins's, rollins's, rothmans's, saens's, simmons's, stearns's, stephens's, submarines's, summonses, vons's, winans's
Atkins's sounds like:
addison's, adjoining, adjoins, adkins, atkins, attaching, attacking