discard vs vindicate

discard

verb
  • To throw away, to reject. 

  • To make a discard; to throw out a card. 

  • To dismiss from employment, confidence, or favour; to discharge. 

noun
  • A temporary variable used to receive a value of no importance and unable to be read later. 

  • Anything discarded. 

  • A discarded playing card in a card game. 

vindicate

verb
  • To clear of an accusation, suspicion or criticism. 

  • To provide justification for. 

  • To lay claim to; to assert a right to; to claim. 

  • To maintain or defend (a cause) against opposition. 

  • To justify by providing evidence. 

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