dissipate vs stash (away)

dissipate

verb
  • To drive away, disperse. 

  • To use up or waste; squander. 

  • To vanish by dispersion. 

  • To cause energy to be lost through its conversion to heat. 

stash (away)

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