canard vs hit piece

canard

noun
  • A false or misleading report or story, especially if deliberately so. 

  • A type of aircraft in which the primary horizontal control and stabilization surfaces are in front of the main wing. 

  • Any small winglike structure on a vehicle, usually used for stabilization. 

  • A horizontal control and stabilization surface located in front of the main wing of an aircraft. 

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 canard and hit piece occurred in a corpus of books? (source: Google Ngram Viewer )