come a cropper vs fritz

come a cropper

verb
  • To suffer some accident or misfortune; to fail. 

  • To fall headlong from a horse. 

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 come a cropper and fritz occurred in a corpus of books? (source: Google Ngram Viewer )