nozzle vs turncock

nozzle

noun
  • A short tube, usually tapering, forming the vent of a hose or pipe. 

  • The nose of an animal; muzzle. 

  • The part of an earbud that accommodates eartips. 

  • A short outlet or inlet pipe projecting from the end or side of a hollow vessel, as a steam-engine cylinder or a steam boiler. 

turncock

noun
  • A tap or faucet that regulates the flow of a fluid. 

  • A person employed to turn on the water for the mains, to regulate the fireplugs, etc. for a water company. 

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