pusillanimous vs spunky

pusillanimous

adj
  • Showing ignoble cowardice, or contemptible timidity. 

spunky

adj
  • Pertaining to or like spunk (semen). 

  • Stained with semen. 

  • Spirited or plucky. 

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