blindness vs illiterati

blindness

noun
  • Want of intellectual or moral discernment; mental darkness; ignorance, heedlessness. 

  • The condition of being blind; unable to see. 

illiterati

noun
  • Those who are illiterate or unlearned. 

  • Those who cannot read and write Latin. 

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