exile vs expat

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. 

expat

noun
  • An expatriate; a person who lives outside their own country. 

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