discountenance vs ixnay

discountenance

verb
  • To refuse countenance or support to; to discourage. 

  • To abash, embarrass or disconcert. 

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

noun
  • Cold treatment; disapprobation. 

ixnay

verb
  • To reject something. 

noun
  • Nothing; nix; often in the phrase "ixnay on ...", indicating something that must not be mentioned, often in Pig Latin 

intj
  • No. 

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