dematerialization vs evaporation

dematerialization

noun
  • The act or process of dematerializing, or becoming immaterial. 

  • The substitution of paper-form securities by book-entry securities. 

evaporation

noun
  • The process of a liquid converting to the gaseous state. 

  • The process in which all or a portion of liquid (in a container) is turned into vapour, in order to increase the concentration of solid matter in the mixture. 

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