allocution vs discourse

allocution

noun
  • A formal speech, especially one which is regarded as authoritative and forceful. 

  • The mode of information dissemination in which media broadcasts are transmitted to multiple receivers with no or very limited capability of a two-way exchange of information. 

  • The question put to a convicted defendant by a judge after the rendering of the verdict in a trial, in which the defendant is asked whether he or she wishes to make a statement to the court before sentencing; the statement made by a defendant in response to such a question; the legal right of a defendant to make such a statement. 

  • The legal right of a victim, in some jurisdictions, to make a statement to a court prior to sentencing of a defendant convicted of a crime causing injury to that victim; the actual statement made to a court by a victim. 

  • A pronouncement by a pope to an assembly of church officials concerning a matter of church policy. 

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. 

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