canard vs grapevine

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. 

grapevine

noun
  • A rumor. 

  • A leglock. 

  • The plant, a vine of genus Vitis, on which grapes grow. 

  • A move in which the feet are alternately placed in front of each other, while both remaining on the ice or ground, incorporating half-turns. 

  • An informal person-to-person means of circulating information or gossip. 

verb
  • To restrain in a leglock. 

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