dispel vs evaporate

dispel

verb
  • To drive away or cause to vanish by scattering. 

  • To remove (fears, doubts, objections etc.) by proving them unjustified. 

noun
  • An act or instance of dispelling. 

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 dispel and evaporate occurred in a corpus of books? (source: Google Ngram Viewer )