denunciation vs exposé

denunciation

noun
  • The act of denouncing; an accusation made in public 

  • The announcement of termination (of a treaty). 

  • Proclamation; announcement; a publishing. 

  • That by which anything is denounced; threat of evil; public menace or accusation; arraignment. 

  • An open declaration of personal fault. 

exposé

noun
  • The act of exposing somebody or something; a shameful showing up. 

  • A publication of investigative journalism that reveals hidden and often scandalous truths. 

  • A formal recital or exposition. 

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