girn vs grouch

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. 

grouch

verb
  • To be grumpy or irritable; to complain. 

noun
  • A complaint, a grumble, a fit of ill-humor. 

  • One who is grumpy or irritable. 

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