enlightenment vs erudition

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. 

erudition

noun
  • Profound knowledge acquired from learning and scholarship. 

  • The refinement, polish and knowledge that education confers. 

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