agitated vs unflappable

agitated

adj
  • Angry, annoyed, bothered or worked up. 

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

unflappable

adj
  • Remaining composed and level-headed at all times; impossible to fluster; not becoming frustrated or irritated easily. 

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