agitated vs at ease

agitated

adj
  • Angry, annoyed, bothered or worked up. 

  • Violently and chaotically moving around, such as because of being shaken. 

at ease

prep
  • Allowed to refrain from being in rigid formation. 

  • Free of anxiety; not stressed or tense. 

  • In a relaxed position with the feet apart rather than at attention. 

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