detainee vs expatriate

detainee

noun
  • Someone who is detained, especially in custody or confinement. 

expatriate

noun
  • One who has been banished from one's own country. 

  • One who lives outside one's own country. 

verb
  • To withdraw from one’s native country. 

  • To banish; to drive or force (a person) from his own country; to make an exile of. 

  • To renounce the rights and liabilities of citizenship where one is born and become a citizen of another country. 

adj
  • Living outside of one's own country. 

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