illiteracy vs illiterati

illiteracy

noun
  • Unlearnedness; the state of being ignorant or unlettered. 

  • The portion of a population unable to read and write, generally given as a percentage. 

  • A word, phrase, or grammatical turn thought to be characteristic of an illiterate person. 

  • The inability to read and write. 

illiterati

noun
  • Those who are illiterate or unlearned. 

  • Those who cannot read and write Latin. 

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