discarding vs disposal

discarding

noun
  • The act by which something is discarded; a throwing away. 

  • Discarded material. 

disposal

noun
  • A disposing of or getting rid of something. 

  • The power to use something or someone. 

  • A kick or a handball of the ball during a game. 

  • An arrangement, categorization or classification of things. 

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