disperse vs get together

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. 

get together

verb
  • to agree 

  • To start dating; to start being a couple. 

  • to accumulate, to gather 

  • to meet, to gather together, to congregate 

  • Used other than figuratively or idiomatically: see get, together. 

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