disperse vs evaporate

disperse

verb
  • To break up and disappear; to dissipate. 

  • To scatter in different directions. 

  • To disseminate. 

  • To separate rays of light, etc., according to wavelength; to refract. 

  • To distribute throughout. 

adj
  • Scattered or spread out. 

evaporate

verb
  • to disappear; to escape or pass off without effect 

  • to expel moisture from (usually by means of artificial heat), leaving the solid portion 

  • to give vent to; to dissipate 

  • to transition from a liquid state into a gaseous state 

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