disperse vs hoard

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. 

hoard

verb
  • To amass, usually for one's own private collection. 

noun
  • A cache of valuable objects or artefacts; a trove. 

  • A hoarding (temporary structure used during construction). 

  • A hidden supply or fund. 

  • A hoarding (billboard). 

  • A projecting structure (especially of wood) in a fortification, somewhat similar to and later superseded by the brattice. 

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