fritz vs miscarry

fritz

verb
  • To go wrong or become defective. 

noun
  • A type of processed meat sausage; devon 

  • The state of being defective. 

miscarry

verb
  • To fail to achieve some purpose; to be unsuccessful, to go wrong (of a business, project etc.). 

  • To have a miscarriage; to involuntarily abort a foetus. 

  • Of a letter etc.: to fail to reach its intended recipient. 

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