discourse vs fustian

discourse

noun
  • Expression in words, either speech or writing. 

  • A formal lengthy exposition of some subject, either spoken or written. 

  • An institutionalized way of thinking, a social boundary defining what can be said about a specific topic (after Michel Foucault). 

  • Any rational expression, reason. 

verb
  • To exercise reason; to employ the mind in judging and inferring; to reason. 

  • To engage in discussion or conversation; to converse. 

  • To write or speak formally and at length. 

fustian

noun
  • Inflated, pompous, or pretentious speech or writing; bombast; also (archaic), incoherent or unintelligible speech or writing; gibberish, nonsense. 

  • A class of fabric including corduroy and velveteen. 

  • Originally, a kind of coarse fabric made from cotton and flax; now, a kind of coarse twilled cotton, or cotton and linen, stuff with a short pile and often dyed a dull colour, which is chiefly prepared for menswear. 

adj
  • Made out of fustian (noun sense 1). 

  • Of a person, or their speech or writing: using inflated, pompous, or pretentious language; bombastic; grandiloquent; also (obsolete) using incoherent or unintelligible language. 

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