Caveat rhymes with:
acrobat, aerostat, aristocrat, autocrat, babysat, bobcat, brickbat, bundesrat, bureaucrat, butterfat, carlstadt, chitchat, clarostat, compumat, copycat, d'etat, darmstadt, democrat, diplomat, doormat, eberstadt, eizenstat, estedat, farhat, format, habitat, inverlat, karstadt, kitcat, laundromat, lestat, muskrat, parmalat, placemat, plutocrat, polecat, pussycat, ronstadt, rosenblatt, technocrat, thermostat, thundercat, tomcat, urstadt, verhofstadt, wesat, wildcat, wombat, yediyat, ziggurat
Caveat sounds like:
cabot, caped, capita, capito, capote, capped, cappetta, caput, caputi, caputo, cavataio, caved, cavett, cavitt, cavity, cepeda, chabot, chafed, chafete, chaput, chevette, cheviot, chiappetta, chiavetta, chipita, chipote, chipped, chopped, civet, co-opt, co-opted, cobbett, cockpit, cofide, cohabit, coiffed, cooped, coped, copied, copped, covatta, covet, coveted, cubed, cubit, cuffed, cupid, cupidity, cupit, cuppett