debouch vs spout

debouch

noun
  • A narrow outlet from which a body of water pours. 

  • A fortress at the end of a defile. 

verb
  • To pour forth from a narrow opening; to emerge from a narrow place like a defile into open country or a wider space. 

spout

noun
  • A stream of liquid. 

  • 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. 

  • 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. 

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