assemble vs disperse

assemble

verb
  • To put together. 

  • To translate from assembly language to machine code. 

  • To gather as a group. 

disperse

verb
  • To disseminate. 

  • To break up and disappear; to dissipate. 

  • To scatter in different directions. 

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

  • To distribute throughout. 

adj
  • Scattered or spread out. 

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