exile vs oust

exile

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

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

  • Someone who is banished from their home or country. 

oust

verb
  • To expel; to remove. 

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