agitation vs bustle

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. 

bustle

noun
  • An excited activity; a stir. 

  • A cover to protect and hide the back panel of a computer or other office machine. 

  • A frame worn underneath a woman's skirt, typically only protruding from the rear as opposed to the earlier more circular hoops. 

verb
  • To move busily and energetically with fussiness (often followed by about). 

  • To teem or abound (usually followed by with); to exhibit an energetic and active abundance (of a thing). 

  • To push around, to importune. 

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