exposé vs revelation

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. 

revelation

noun
  • The act of revealing or disclosing. 

  • Something that turns out to be a great success. 

  • Something dramatically disclosed. 

  • A manifestation of divine truth. 

  • Something that is revealed. 

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