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