ID vs ID card

ID

noun
  • An ident. 

  • An electronic music track without an official title. 

verb
  • To request to see a person’s identification for proof of identity or age. 

  • To identify (as something) 

  • To identify (an object, etc.). 

ID card

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