discourse vs narration

discourse

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

  • Expression in words, either speech or writing. 

  • 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. 

narration

noun
  • That which is narrated or recounted; an orderly recital of the details and particulars of some transaction or event, or of a series of transactions or events; a story or narrative. 

  • The act of recounting or relating in order the particulars of some action, occurrence, or affair; a narrating. 

  • That part of an oration in which the speaker makes his or her statement of facts. 

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