Obdurate rhymes with:
confederate, considerate, moderate, accurate, barbiturate, commensurate, confederate, conglomerate, considerate, corporate, degenerate, deliberate, directorate, doctorate, electorate, emirate, everett, illiterate, inaccurate, inspectorate, intemperate, interoperate, inveterate, literate, moderate, protectorate, reverberate, triumvirate