disperse vs streamline

disperse

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. 

adj
  • Scattered or spread out. 

streamline

noun
  • On a weather chart, a line that is tangent to the flow of the wind. 

  • A line that is tangent to the velocity of flow of a fluid; equivalent to the path of a specific particle in that flow. 

verb
  • To design and construct the contours of a vehicle etc. so as to offer the least resistance to its flow through a fluid. 

  • To simplify or organize a process in order to increase its efficiency. 

  • To modernise. 

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