disperse vs sow

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. 

sow

verb
  • To scatter over; to besprinkle. 

  • To scatter, disperse, or plant (seeds). 

  • To spread abroad; to propagate. 

noun
  • A mass of metal solidified in a mold. 

  • A sowbug. 

  • A female bear, she-bear. 

  • A contemptible, often fat woman. 

  • A female guinea pig. 

  • A channel that conducts molten metal to molds. 

  • A kind of covered shed, formerly used by besiegers in filling up and passing the ditch of a besieged place, sapping and mining the wall, etc. 

  • A female pig. 

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