evanescence vs evaporation

evanescence

noun
  • The event of fading and gradually vanishing from sight. 

  • The act or state of vanishing away; disappearance. 

evaporation

noun
  • 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. 

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

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