madness vs recklessness

madness

noun
  • rash folly 

  • The state of being mad; insanity; mental disease. 

  • The state of being angry. 

recklessness

noun
  • The state or quality of being reckless or heedless, of taking unnecessary risks. 

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