barf vs ptyalize

barf

verb
  • To vomit. 

  • Of a system: to fail. 

intj
  • An expression of disgust. 

noun
  • Vomit. 

ptyalize

verb
  • To spit. 

  • To salivate. 

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