Mattel's rhymes with:
battelle's, moskatel's, battelle's, cartel's, cartels, hotel's, hotels, hotels', intel's, montel's, moskatel's, motels, pastels, rintel's, rintels, rintels', sheftel's, telles, tells, vertel's
Mattel's sounds like:
madlock, mandela's, mantle's, mantles, matala's, matelski, matlack, matlick, matlock, matulich, matulis, meatless, medals, medlock, mendel's, metal's, metallic, metallic's, metallica, metallica's, metals, metals', methodologies, methodology, middlesex, mindless, model's, models, models', modules, mondale's, montel's, motels, mountleigh, mountleigh's, muddles, mutual's, mythology