stoutheartedness vs yarblockos

stoutheartedness

noun

  • Courage, pluck, boldness. 

  • Resoluteness, fortitude, dauntlessness. 

yarblockos

noun

  • Courage, fortitude, or machismo. 

  • Testicles; bollocks. 

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