concord vs conformity

concord

noun
  • A state of agreement; harmony; union. 

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

  • 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. 

verb
  • To agree; to act together 

conformity

noun
  • The ideology of adhering to one standard or social uniformity. 

  • A point of resemblance; a similarity. 

  • The state of being conforming, of complying with a set of rules, with a norm or standard. 

  • The state of things being similar or identical. 

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