accord vs acquiesce

accord

verb
  • To agree or correspond; to be in harmony; to be concordant. 

  • To grant as suitable or proper; to concede or award. 

  • To bring (people) to an agreement; to reconcile, settle, adjust or harmonize. 

  • To make to agree or correspond; to suit one thing to another; to adjust. 

  • To agree in pitch and tone. 

noun
  • Voluntary or spontaneous impulse to act. 

  • Agreement or concurrence of opinion, will, or action. 

  • A distinctive mixture of fragrances or the odor thereof. 

  • An agreement between parties in controversy, by which satisfaction for an injury is stipulated, and which, when executed, prevents a lawsuit. 

  • An international agreement. 

  • Agreement or harmony of things in general. 

  • A harmony in sound, pitch and tone; concord. 

acquiesce

verb
  • To concur upon conviction; to assent to; usually, to concur, not heartily but so far as to forbear opposition. 

  • To rest satisfied, or apparently satisfied, or to rest without opposition and discontent (usually implying previous opposition or discontent); to accept or consent by silence or by omitting to object. 

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