girn vs kvetch

girn

verb
  • To whinge, moan, complain. 

  • To make elaborate unnatural and distorted faces as a form of amusement or in a girning competition. 

  • To grimace; to snarl. 

noun
  • A vocalization similar to a cat's purring. 

kvetch

verb
  • To whine or complain, often needlessly and incessantly. 

noun
  • An instance of kvetching; a complaint or whine. 

  • A person who endlessly whines or complains; a person who finds fault with anything. 

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