disappear vs dissipate

disappear

verb
  • To vanish. 

  • To make vanish; especially, to abduct and murder surreptitiously for political reasons. 

  • To go missing; to become a missing person. 

  • To go away; to become lost. 

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. 

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