compliance vs concurrence

compliance

noun
  • The state of being compliant. 

  • An act of complying. 

  • The tendency of conforming with or agreeing to the wishes of others. 

  • A measure of the extension or displacement of a loaded structure; its flexibility 

  • The department of a business that ensures all government regulations are complied with. 

  • The accuracy with which a patient follows an agreed treatment plan 

concurrence

noun
  • Agreement; concurring. 

  • An instance of simultaneous occurrence. 

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