spout vs ventilator

spout

noun
  • A tube or lip through which liquid or steam is poured or discharged. [[File:Spout (PSF).png|thumb|]] 

  • A hollow stump formed when a tree branch breaks off. 

  • A stream of liquid. 

  • The mixture of air and water thrown up from the blowhole of a whale. 

verb
  • To gush forth in a jet or stream 

  • To eject water or liquid in a jet. 

  • To utter magniloquently; to recite in an oratorical or pompous manner. 

  • To speak tediously or pompously. 

ventilator

noun
  • A machine that moves breathable air into and out of the lungs of a patient who is unable to breathe sufficiently. 

  • A device that circulates fresh air and expels stale or noxious air. 

  • Some behaviour or happening that relieves a tense atmosphere or situation. 

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