agitation vs dread

agitation

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

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

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

dread

noun
  • Reverential or respectful fear; awe. 

  • A Rastafarian. 

  • Great fear in view of impending evil; fearful apprehension of danger; anticipatory terror. 

  • Somebody or something dreaded. 

verb
  • To be in dread, or great fear. 

  • To style (the hair) into dreadlocks. 

  • To fear greatly. 

  • To anticipate with fear. 

adj
  • Terrible; greatly feared; dreaded. 

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