Here's what rhymes with duplicitous.
Words that almost rhyme with duplicitous
precipitous fierceness siliceous priggishness implicitness derisiveness griminess willingness ubiquitous litigants iniquitous permissiveness spirituous explicitness spiritless piggishness filminess submissiveness cliquishness skittishness jinrickshas jinrikshas coincidence serendipitous certificates restrictiveness descriptiveness significance distinctiveness vindictiveness insignificance