recursion vs regurgitate

recursion

noun
  • The act of recurring. 

  • The act of defining an object (usually a function) in terms of that object itself. 

  • The invocation of a procedure from within itself. 

regurgitate

noun
  • Something regurgitated; regurgitated matter. 

verb
  • To cough up from the gut to feed its young, as an animal or bird does. 

  • To repeat verbatim. 

  • To throw up or vomit; to eject what has previously been swallowed. 

  • To be thrown or poured back; to rush or surge back. 

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