eradication vs expulsion

eradication

noun
  • The act of plucking up by the roots; an uprooting; extirpation; utter destruction. 

  • The state of being plucked up by the roots. 

expulsion

noun
  • The act of expelling or the state of being expelled. 

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