cover-up vs deception

cover-up

noun
  • An attempt to conceal or disguise something, especially a wrongdoing or a mistake. 

  • An item of clothing to be worn over a swimsuit while not in the water. 

deception

noun
  • An instance of actions and/or schemes fabricated to mislead someone into believing a lie or inaccuracy. 

How often have the words cover-up and deception occurred in a corpus of books? (source: Google Ngram Viewer )