castoff vs deprecation

castoff

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

adj
  • discarded, rejected. 

deprecation

noun
  • An imprecation or curse. 

  • A praying against evil; prayer that an evil may be removed or prevented; strong expression of disapprobation. 

  • The act of deprecating. 

  • Entreaty for pardon; petitioning. 

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