middle vs nozzle

middle

noun
  • A centre, midpoint. 

  • The part between the beginning and the end. 

  • The middle stump. 

  • The central part of a human body; the waist. 

  • The middle voice. 

adj
  • Pertaining to the middle voice. 

  • Located in the middle; in between. 

  • Central. 

nozzle

noun
  • 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. 

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

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