abend vs extirpate

abend

verb
  • To terminate abnormally. 

noun
  • The abnormal termination of a program. 

  • Termination of a process prior to completion. 

extirpate

verb
  • To surgically remove. 

  • To destroy completely; to annihilate, to cause to go extinct locally. 

  • To pull up by the roots; uproot. 

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