barf vs puking

barf

noun

  • Vomit. 

intj

  • An expression of disgust. 

verb

  • To vomit. 

  • Of a system: to fail. 

puking

noun

  • The act of one who pukes or vomits. 

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