burp vs vomit

burp

verb
  • To emit a burp. 

  • To cause someone (such as a baby) to burp. 

  • To utter by burping 

  • To open (a container of fermenting substance) to allow the release of accumulated gas. 

noun
  • A belch. 

vomit

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

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

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

noun
  • The act of regurgitating. 

  • The act of vomiting 

  • The regurgitated former contents of a stomach; vomitus. 

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