falsehood vs hit piece

falsehood

noun
  • A false statement, especially an intentional one; a lie. 

  • The property of being false. 

hit piece

noun
  • A published article or post aiming to sway public opinion by presenting false or biased information in a way that appears objective and truthful. 

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