expatriation vs proscription

expatriation

noun
  • forced expulsion of from one's native land to another 

  • voluntary migration from one's native land to another 

proscription

noun
  • A prohibition. 

  • Decree of condemnation toward one or more persons, especially in the Roman antiquity. 

  • A decree or law that prohibits. 

  • The act of proscribing, or its result. 

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