concomitance vs identification

concomitance

noun
  • A concomitant. 

  • occurrence or existence together or in connection with one another, coexistence 

  • The Roman Catholic doctrine of the existence of the entire body of Christ in the Eucharist, under each element, so that the body and blood are both received by communication in one kind only. 

identification

noun
  • A particular instance of identifying something. 

  • The combination of identifying (which one, which thing) and validating the identity (proving or confirming it); identifying and authenticating viewed as a unitary concept in cognition. 

  • A feeling of support, sympathy, understanding, or belonging towards somebody or something. 

  • A document or documents serving as evidence of a person's identity. 

  • The act of identifying (i.e., which one, which thing). 

  • The state of being identified. 

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