cable tray vs nozzle

cable tray

noun
  • A rigid structure to support electric cables; a type of raceway, normally having the appearance of a ladder and open at the top to facilitate changes. 

nozzle

noun
  • 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. 

  • The nose of an animal; muzzle. 

  • The part of an earbud that accommodates eartips. 

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

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