discard vs include

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. 

include

noun
  • A piece of source code or other content that is dynamically retrieved for inclusion in another item. 

verb
  • To use a directive that allows the use of source code from another file. 

  • To consider as part of something; to comprehend. 

  • To bring into a group, class, set, or total as a (new) part or member. 

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