eradicate vs expulse

eradicate

verb
  • To destroy completely; to reduce to nothing radically; to put an end to; to extirpate. 

  • To pull up by the roots; to uproot. 

expulse

verb
  • To expel. 

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