daring vs mettlesome

daring

adj
  • Courageous or showing bravery; doughty. 

  • Racy; sexually provocative. 

  • Adventurous, willing to take on or look for risks; overbold. 

noun
  • Boldness. 

mettlesome

adj
  • Marked by mettle or bravery; courageous. 

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