agitate vs gratify

agitate

verb
  • To disturb or excite; to perturb or stir up (a person). 

  • To cause to move with a violent, irregular action; to shake. 

gratify

verb
  • To make content; to satisfy. 

  • To please. 

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