extirpate vs raze

extirpate

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

  • To surgically remove. 

  • To pull up by the roots; uproot. 

raze

verb
  • To destroy; to strike out of existence; to obliterate. 

  • To scrape as if with a razor. 

  • To demolish; to level to the ground. 

noun
  • A swinging fence in a watercourse to prevent cattle passing through. 

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