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