expatriate vs primeval

expatriate

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. 

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

  • One who lives outside one's own country. 

primeval

adj
  • Primitive. 

  • Belonging to the first ages. 

  • Primary; original. 

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