burp vs fetch up

burp

verb
  • To utter by burping 

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

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

  • To emit a burp. 

noun
  • A belch. 

fetch up

verb
  • To vomit. 

  • To arrive somewhere, especially unexpectedly. 

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