discountenance vs nonplus

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. 

nonplus

verb
  • To bewilder or perplex (someone); to confound, to flummox. 

noun
  • A state of bewilderment or perplexity. 

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