exile vs exonerate

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. 

exonerate

verb
  • To free (someone) from accusation or blame. 

  • To free (someone) from an obligation, responsibility or task. 

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