agitation vs innervation

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. 

innervation

noun
  • The act of innervating or stimulating. 

  • Special activity excited in any part of the nervous system or in any organ of sense or motion; the nervous influence necessary for the maintenance of life, and the functions of the various organs. 

  • The distribution of nerves in an animal, or to any of its parts. 

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