fake news vs falsification

fake news

noun
  • News stories with false or misleading information, deliberately created to disinform. 

  • Satirical news stories, intended to amuse. 

falsification

noun
  • knowingly false statement or wilful misrepresentation 

  • the act of falsifying, or making false; a counterfeiting; the giving to a thing an appearance of something which it is not 

  • showing an item of charge in an account to be wrong 

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