abend vs come to an end

abend

verb
  • To terminate abnormally. 

noun
  • The abnormal termination of a program. 

  • Termination of a process prior to completion. 

come to an end

verb
  • To stop; to cease; to no longer continue. 

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