disperse vs scrape together

disperse

adj
  • Scattered or spread out. 

verb
  • 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. 

  • To distribute throughout. 

scrape together

verb
  • To collect, assemble or gather small amounts (especially of money), from various sources, with some difficulty 

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