exposé vs publication

exposé

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

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

  • A formal recital or exposition. 

publication

noun
  • The act of publishing printed or other matter. 

  • An issue of printed or other matter, offered for sale or distribution. 

  • The communication of information to the general public etc. 

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