castoff vs rescission

castoff

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

adj
  • discarded, rejected. 

rescission

noun
  • An act of rescinding: removing, taking away, or taking back. 

  • The undoing of a contract; repeal. 

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