blowhole vs vomit

blowhole

verb
  • To fill or be filled with air in an unintended cavity. 

noun
  • A top-facing opening to a cavity in the ground very near an ocean's shore, leading to a marine cave from which wave water or bursts of air are expelled. 

  • The spiracle, on the top of the head, through which cetaceans breathe. 

  • A vertical opening in the top of a computer case that lets hot air (primarily from the CPU heat sink) escape quickly. 

  • A vent for the escape of steam or other gas. 

  • An unintended cavity filled with air in a casting product. 

vomit

verb
  • To eject from any hollow place; to belch forth; to emit. 

  • To regurgitate or eject the contents of the stomach through the mouth; puke. 

  • To regurgitate and discharge (something swallowed); to spew. 

noun
  • The act of regurgitating. 

  • The act of vomiting 

  • The regurgitated former contents of a stomach; vomitus. 

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