airfoil vs canard

airfoil

noun
  • A wing of an aircraft. 

  • A structure shaped to produce lift when moving in air. 

canard

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

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

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