Cooperate rhymes with:
operate, aspirate, evaporate, exasperate, incorporate, operate, recuperate, reincorporate, separate, accelerate, adulterate, agglomerate, ameliorate, aspirate, cogenerate, collaborate, commemorate, commiserate, corroborate, decelerate, decorate, deteriorate, enumerate, evaporate, eviscerate, exaggerate, exasperate, exhilarate, exonerate, federate, generate, incarcerate, incinerate, incorporate, lacerate, liberate, obliterate, operate, perforate, proliferate, recuperate, redecorate, refrigerate, regenerate, reincorporate, reinvigorate, reiterate, saturate, separate, tolerate, venerate
Cooperate sounds like:
cabaret, cafferty, capehart, capriati, capriotti, cavort, chauffeured, chessboard, chevrette, chipboard, cobert, cooperated, copperhead, copywrite, copywrited, covered, covert, cowperthwaite, cupboard, cypert, cyphert, cypriot