fritz vs play up

fritz

verb
  • To go wrong or become defective. 

noun
  • A type of processed meat sausage; devon 

  • The state of being defective. 

play up

verb
  • To misbehave. 

  • To make or attempt to make something appear more important, likely, or obvious; to showcase or highlight. 

  • To play more vigorously. 

  • To be unfaithful to a lover; to cheat; used with on. 

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