extraditing vs repatriation

extraditing

repatriation

noun
  • The process of returning artworks, museum exhibits, etc. to their country of origin. 

  • The process of returning of a person to their country of origin or citizenship. 

  • The process of converting a foreign currency into the currency of one's own country. 

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