banished vs castaway

banished

adj
  • Having been subject to banishment; kicked out and forbidden from returning; forbidden and prohibited. 

castaway

adj
  • Cast out; rejected or excluded from a group. 

  • Cast adrift or ashore; marooned. 

  • Shipwrecked. 

noun
  • A discarded person or thing. 

  • An outcast; someone cast out of a group or society. 

  • A shipwrecked sailor. 

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