escapee vs returnee

escapee

noun
  • Someone who has escaped. 

  • A plant that has escaped from cultivation. 

  • Someone who has become free through escaping imprisonment. 

returnee

noun
  • Someone who comes back or returns, especially to their own country or region. 

  • A person who sends something back. 

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