castaway vs nobody

castaway

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

  • A discarded person or thing. 

  • A shipwrecked sailor. 

adj
  • Cast adrift or ashore; marooned. 

  • Shipwrecked. 

  • Cast out; rejected or excluded from a group. 

nobody

noun
  • Someone who is not important or well-known. 

pron
  • Not any person; the logical negation of somebody. 

How often have the words castaway and nobody occurred in a corpus of books? (source: Google Ngram Viewer )