Compumat rhymes with:
diplomat, doormat, format, laundromat, placemat, acrobat, aerostat, aristocrat, autocrat, babysat, bobcat, brickbat, bundesrat, bureaucrat, butterfat, carlstadt, caveat, chitchat, clarostat, 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
Compumat sounds like:
championed, combined, companywide, component, compound, compounded, compufund, confined, confinement, confound, confounded, convened, convenient, convent