Hat's rhymes with:
hats, hatz, at-bats, atz, bats, batts, batz, blatz, brats, bratz, cat's, cats, chats, chatz, chatz', combats, dats, datz, fats, flats, gatz, glatz, gnats, gratz, hats, hatz, kats, katz, kratz, labatt's, latz, mats, mattes, matts, matz, nats, oshatz, pat's, pats, patz, platts, platz, prats, pratt's, rat's, rats, ratts, ratz, satz, schatz, shatz, slats, spats, spatz, stats, statz, that's, vats
Hat's sounds like:
haddock, hades, haithcock, haiti's, haitis, hatch, hatch's, hatches, hates, hathaway's, hathcock, hats, hattusas, hatz, haydock, hayduk, head's, headache, headaches, headcheese, heads, heat's, heath's, heathcock, heats, hedge, hedgecock, hedgehog, hedgehogs, hedges, hedtke, hedwig, hedwiga, heeds, heidi's, heitz, hettick, hetz, hewitt's, hiatt's, hiatus, hideaki, hideous, hideouts, hides, hitachi, hitch, hitchcock, hitchcock's, hitches, hitchhike, hitchhikes, hites, hitoshi, hits, hitz, hodak, hodes, hodge, hodge's, hodges, hodgkiss, hoods, hoots, hotcake, hotcakes, hotchkiss, hotdog, hotdogs, hothouse, hothouses, hots, hotz, hotze, houdek, houts, houtz, howtek, hud's, hudak, hudec, hudecek, hudek, hudock, hudzik, hut's, hutch, huts, hutu's, hutus, hyades, hyatt's, hyde's, hydock