antediluvial vs castoff

antediluvial

adj
  • Antiquated. 

  • Of or pertaining to a time before Noah's flood. 

castoff

adj
  • discarded, rejected. 

noun
  • Something that has been rejected or discarded; a reject. 

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