foolishness vs madness

foolishness

noun
  • The state of being foolish. 

  • A thing or event that is foolish, or an absurdity. 

madness

noun
  • rash folly 

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

  • The state of being angry. 

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