agitation vs fear

agitation

noun
  • The act of agitating, or the state of being agitated; the state of being disrupted with violence, or with irregular action; commotion. 

  • A disturbance of personal tranquillity; disturbance of someone's peace of mind. 

  • Excitement of public feeling by discussion, appeals, etc. 

fear

noun
  • A strong, uncontrollable, unpleasant emotion or feeling caused by actual or perceived danger or threat. 

  • Terrified veneration or reverence, particularly towards God, gods, or sovereigns. 

  • A phobia, a sense of fear induced by something or someone. 

verb
  • To regret. 

  • To worry about, to feel concern for, to be afraid for. 

  • To be afraid of (something or someone); to consider or expect (something or someone) with alarm. 

  • To venerate; to feel awe towards. 

  • To feel fear. 

adj
  • Able; capable; stout; strong; sound. 

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