snorkel vs spout

snorkel

verb
  • To use a snorkel. 

noun
  • A snorkel parka. 

  • A retractable tube fitted in diesel-engine submarines to allow sufficient ventilation that the engines may be used at periscope depth. 

  • A hollow tube, held in the mouth, or mounted on and opening into a diving mask, used by swimmers for breathing underwater. 

spout

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. 

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. 

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