approve vs discard

approve

verb
  • To officially sanction; to ratify; to confirm; to set as satisfactory. 

  • To make profit of; to convert to one's own profit — said especially of waste or common land appropriated by the lord of the manor. 

  • To consider worthy (to); to be pleased (with); to accept. 

  • To regard as good; to commend; to be pleased with; to think well of. 

discard

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

  • To throw away, to reject. 

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

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. 

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