powerful vs swaying

powerful

adj
  • Having, or capable of exerting power, potency or influence. 

  • Leading to many or important deductions. 

  • Large; capacious; said of veins of ore. 

adv
  • Synonym of very 

swaying

noun
  • An injury caused to a horse's back by violent strains or overloading. 

  • The motion of something that sways. 

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