ID vs ess

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.). 

ess

noun
  • The name of the Latin-script letter S. 

  • Something shaped like the letter S. (See esses) 

verb
  • To move in a changing direction, forming the shape of a letter S. 

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