agitate vs fidget

agitate

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

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

fidget

verb
  • To cause to fidget; to make uneasy. 

  • To wiggle or twitch; to move the body, especially the fingers, around nervously or idly. 

noun
  • A person who fidgets, especially habitually. 

  • A nervous wriggling or twitching motion. 

  • A toy intended to be fidgeted with. 

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