abend vs cessation

abend

noun
  • Termination of a process prior to completion. 

  • The abnormal termination of a program. 

verb
  • To terminate abnormally. 

cessation

noun
  • A ceasing or discontinuance, for example of an action, whether temporary or final. 

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