discountenance vs enlighten

discountenance

verb
  • To abash, embarrass or disconcert. 

  • To refuse countenance or support to; to discourage. 

  • To have an unfavorable opinion of; to deprecate or disapprove of. 

noun
  • Cold treatment; disapprobation. 

enlighten

verb
  • To make something clear to (someone); to give knowledge or understanding to. 

  • To supply with light. 

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