exile vs refugee

exile

noun
  • Someone who is banished from their home or country. 

  • The state of being banished from one's home or country. 

verb
  • To send (someone or something) into exile. 

refugee

noun
  • A person who flees one place or institution for another. 

  • A person seeking refuge due to a natural disaster, war, etc. 

  • A person seeking refuge in a foreign country out of fear of political persecution or the prospect of such persecution in their home country, i.e., a person seeking political asylum. 

  • A person formally granted political or economic asylum by a country other than their home country. 

verb
  • To convey (slaves) away from the advance of the federal forces. 

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