castoff vs dated

castoff

adj
  • discarded, rejected. 

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

dated

adj
  • Outdated. 

  • Anachronistic; being obviously inappropriate for its present context. 

  • No longer fashionable. 

  • Marked with a date. 

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