dispiritedness vs mettle

dispiritedness

noun
  • The state or condition of being dispirited. 

mettle

adj
  • Spirited, vigorous, stout-hearted. 

noun
  • Good temperament and character. 

  • A quality of endurance and courage. 

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