identification vs nickname

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. 

nickname

noun
  • A familiar, invented name for a person or thing used instead of the actual name of the person or thing, often based on some noteworthy characteristic. 

  • A familiar, shortened or diminutive name for a person or thing. 

verb
  • To give a nickname to (a person or thing). 

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