scatter vs strengthen

scatter

verb
  • To frustrate, disappoint, and overthrow. 

  • 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 be dispersed upon. 

noun
  • The act of scattering or dispersing. 

  • A collection of dispersed objects. 

strengthen

verb
  • To empower; to give moral strength to; to encourage; to enhearten. 

  • To make strong or stronger; to add strength to; to increase the strength of; to fortify. 

  • To reinforce, to add to, to support (someone or something) 

  • To grow strong or stronger. 

  • To substantiate; to corroborate (a belief, argument, etc.) 

  • To augment; to improve; to intensify. 

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