discarding vs sublation

discarding

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

  • Discarded material. 

sublation

noun
  • Removal, taking away. 

  • A flotation method in which the material to be separated is adsorbed on the surface of gas bubbles in a liquid and is collected on an upper layer of an immiscible liquid 

  • In Hegelian philosophy, the situation where a thesis and antithesis interact. 

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