dispassion vs madness

dispassion

noun
  • Freedom from passion; the absence of passion; an undisturbed state; apathy. 

madness

noun
  • rash folly 

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

  • The state of being angry. 

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