ignorance vs illumination

ignorance

noun
  • The condition of being uninformed or uneducated; lack of knowledge or information. 

  • Sins committed through ignorance. 

illumination

noun
  • Adornment of books and manuscripts with colored illustrations. See illuminate (transitive verb). 

  • Festive decoration of houses or buildings with lights. 

  • Enlightening influence; inspiration. 

  • The act of illuminating, or supplying with light; the state of being illuminated. 

  • Splendour; brightness. 

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