discard vs don

discard

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. 

verb
  • To throw away, to reject. 

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

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

don

verb
  • To put on clothing; to dress (oneself) in an article of personal attire. 

noun
  • An employee of a university residence who lives among the student residents. 

  • A mafia boss. 

  • Any man, bloke, dude. 

  • A university professor, particularly one at Oxford or Cambridge. 

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