Sturm und Drang vs agitation

Sturm und Drang

noun
  • A proto-Romantic movement in German literature and music which occurred from the late 1760s to the early 1780s, emphasizing individual subjectivity and the free expression of emotions. 

  • Turmoil; a period of emotional intensity and anxiety. 

agitation

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

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

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

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