discard vs doff

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. 

doff

verb
  • To get rid of, to throw off. 

  • To remove or take off (something such as clothing). 

  • To remove or tip a hat, as in greeting, salutation or as a mark of respect. 

  • To strip; to divest; to undress. 

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