evaporate vs run its course

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 

run its course

verb
  • To come to a natural end. 

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