designation vs identification

designation

noun
  • An act or instance of designating; a pointing out or showing; indication. 

  • Selection and appointment for a purpose or office; allotment; direction. 

  • signification, meaning, for example of a word or phrase. 

  • That which designates; a distinguishing mark or name; distinctive title; appellation. 

identification

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

  • 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 particular instance of identifying something. 

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

  • The state of being identified. 

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