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