enlightenment vs ignorance

enlightenment

noun
  • An act of enlightening, or the state of being enlightened or instructed. 

  • A concept in spirituality, philosophy and psychology related to achieving clarity of perception, reason and knowledge. 

ignorance

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

  • Sins committed through ignorance. 

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