expatriate vs indigenous

expatriate

adj
  • Living outside of one's own country. 

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. 

indigenous

adj
  • Born or originating in, native to a land or region, especially before an intrusion. 

  • Innate, inborn. 

  • In particular, of or relating to a people (or their language or culture) that inhabited a region prior to the arrival of people of other cultures which became dominant (e.g., through colonialism), and which maintains a distinct culture. 

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