disperse vs strew

disperse

verb
  • To scatter in different directions. 

  • To break up and disappear; to dissipate. 

  • To disseminate. 

  • To separate rays of light, etc., according to wavelength; to refract. 

  • To distribute throughout. 

adj
  • Scattered or spread out. 

strew

verb
  • To populate with at random points; to cause to appear randomly distributed throughout. 

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