biscuit vs pintail

biscuit

noun
  • A cracker. 

  • A small, flat, baked good which is either hard and crisp or else soft but firm; a cookie. 

  • The head. 

  • A puck (hockey puck). 

  • A form of unglazed earthenware. 

  • A thin oval wafer of wood or other material inserted into mating slots on pieces of material to be joined to provide gluing surface and strength in shear. 

  • A plastic card bearing the codes for authorizing a nuclear attack. 

  • A handgun, especially a revolver. 

  • A small, usually soft and flaky bread, generally made with baking soda, which is similar in texture to a scone but which is usually not sweet. 

  • A light brown colour. 

  • The "bread" formerly supplied to naval ships, which was made with very little water, kneaded into flat cakes, and slowly baked, and which often became infested with weevils. 

pintail

noun
  • The end of a fastening pin or mandrel on a Huckbolt or pop rivet that is broken off when installation is complete. 

  • A pintail duck, a type of dabbling duck with a characteristic pointed tail. 

  • Any of various species of libellulid dragonfly of the genus Acisoma, endemic to Africa and Asia. 

  • A surfboard with a pointed back end. 

  • A pin-tailed snipe, Gallinago stenura. 

  • A northern pintail, Anas acuta, a dabbling duck of the northern hemisphere that has a long pointed tail. 

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