hen-heartedness vs pusillanimity

hen-heartedness

noun
  • The quality of being hen-hearted; cowardice 

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. 

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