discard vs throw out

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. 

throw out

verb
  • To discard; to dispense with something; to throw away. 

  • To offer an idea for consideration. 

  • To dismiss or expel someone from any longer performing duty or attending somewhere. 

  • To produce in a haphazard fashion. 

  • To emit. 

  • To cause or experience debilitating muscle or joint pain in (a body part). 

  • To put into a state of confusion. 

  • To cause to project. 

  • To utter carelessly. 

  • To outdistance; to leave behind. 

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