ID vs laissez-passer

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.). 

laissez-passer

noun
  • A pass or permit; a document permitting the bearer to travel, sometimes issued as an emergency passport. 

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