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