Copycat rhymes with:
pussycat, bobcat, kitcat, polecat, pussycat, thundercat, tomcat, wildcat, acrobat, aerostat, aristocrat, autocrat, babysat, bobcat, brickbat, bundesrat, bureaucrat, butterfat, carlstadt, caveat, chitchat, clarostat, compumat, 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
Copycat sounds like:
capacity, capsized, cheapest, cheapskate, copycode, cubist