concord vs dispute

concord

verb
  • To agree; to act together 

noun
  • Agreement of words with one another, in gender, number, person or case. 

  • A state of agreement; harmony; union. 

  • An agreeable combination of tones simultaneously heard; a consonant chord; consonance; harmony. 

  • A variety of sweet American grape, with large dark blue (almost black) grapes in compact clusters; a Concord grape. 

dispute

verb
  • to make a subject of disputation; to argue pro and con; to discuss 

  • to strive or contend about; to contest 

  • to oppose by argument or assertion; to controvert; to express dissent or opposition to; to call in question; to deny the truth or validity of 

  • to contend in argument; to argue against something maintained, upheld, or claimed, by another. 

noun
  • Verbal controversy or disagreement; altercation; debate. 

  • An argument or disagreement, a failure to agree. 

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