abolish vs extirpate

abolish

verb
  • To end a law, system, institution, custom or practice. 

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 abolish and extirpate occurred in a corpus of books? (source: Google Ngram Viewer )