dispense vs disperse

dispense

verb
  • To issue, distribute, or give out. 

  • To apply, as laws to particular cases; to administer; to execute; to manage; to direct. 

  • To supply or make up a medicine or prescription. 

disperse

verb
  • To distribute throughout. 

  • 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. 

adj
  • Scattered or spread out. 

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