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