discard vs prefer

discard

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

  • To throw away, to reject. 

  • 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. 

prefer

verb
  • To present or submit (something) to an authority (now usually in "to prefer charges"). 

  • To be in the habit of choosing something rather than something else; to favor; to like better. 

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