fritz vs relapse

fritz

verb
  • To go wrong or become defective. 

noun
  • A type of processed meat sausage; devon 

  • The state of being defective. 

relapse

verb
  • To recur; to worsen, be aggravated (after a period of improvement). 

  • To slip or slide back physically; to turn back. 

  • To fall back again; to slide or turn back into a former state or practice. 

  • To return to a vice, especially self-harm or alcoholism, failing to maintain abstinence. 

noun
  • An occasion when a person becomes ill again after a period of improvement 

  • The act or situation of relapsing. 

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