itinerant vs returnee

itinerant

noun
  • One who travels from place to place. 

  • A member of the Travelling Community, whether settled or not. 

adj
  • Habitually travelling from place to place. 

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 itinerant and returnee occurred in a corpus of books? (source: Google Ngram Viewer )