abend vs call it quits

abend

verb
  • To terminate abnormally. 

noun
  • The abnormal termination of a program. 

  • Termination of a process prior to completion. 

call it quits

verb
  • To conclude; to quit or stop an activity, especially after applying oneself to it for a significant period of time. 

  • To declare debts resolved to one another 

How often have the words abend and call it quits occurred in a corpus of books? (source: Google Ngram Viewer )