flake out vs fritz

flake out

verb
  • To flake or be flaky: to prove unreliable; to abandon or desert. 

  • To fall asleep from exhaustion. 

fritz

verb
  • To go wrong or become defective. 

noun
  • A type of processed meat sausage; devon 

  • The state of being defective. 

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