pusillanimity vs uselessness

pusillanimity

noun
  • The quality or state of being pusillanimous; the vice of being timid and cowardly, and thus not living up to one's full potential; pusillanimousness. 

uselessness

noun
  • the quality of being useless 

How often have the words pusillanimity and uselessness occurred in a corpus of books? (source: Google Ngram Viewer )