articulation vs discourse

articulation

noun
  • The manner in which something is articulated (tongued, slurred or bowed). 

  • The interrelation and congruence of the flow of data between financial statements of an entity, especially between the income statement and balance sheet. 

  • The induction of a pupil into a new school or college. 

  • A joint or the collection of joints at which something is articulated, or hinged, for bending. 

  • A manner or method by which elements of a system are connected. 

  • The quality, clarity or sharpness of speech. 

  • The manner in which a phoneme is pronounced. 

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. 

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