propagate vs scatter

propagate

verb
  • To spread from person to person; to extend the knowledge of; to originate and spread; to carry from place to place; to disseminate. 

  • To cause to take effect on all relevant devices in a network. 

  • To produce young; to be produced or multiplied by generation, or by new shoots or plants. 

  • To cause to spread to extend; to impel or continue forward in space. 

  • To cause to continue or multiply by generation, or successive production. 

  • To generate; to produce. 

  • To take effect on all relevant devices in a network. 

scatter

verb
  • To (cause to) separate and go in different directions; to disperse. 

  • Of a pitcher: to keep down the number of hits or walks. 

  • To deflect (radiation or particles). 

  • To occur or fall at widely spaced intervals. 

  • To distribute loosely as by sprinkling. 

  • To frustrate, disappoint, and overthrow. 

  • To be dispersed upon. 

noun
  • The act of scattering or dispersing. 

  • A collection of dispersed objects. 

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