discovery vs exposé

discovery

noun
  • Something discovered. 

  • A pre-trial phase in which evidence is gathered. 

  • Materials revealed to the opposing party during the pre-trial phase in which evidence is gathered. 

  • The discovering of new things. 

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 discovery and exposé occurred in a corpus of books? (source: Google Ngram Viewer )