conclusion vs prologue

conclusion

noun
  • In an argument or syllogism, the proposition that follows as a necessary consequence of the premises. 

  • The end or close of a pleading, for example, the formal ending of an indictment, "against the peace", etc. 

  • The outcome or result of a process or act. 

  • A decision reached after careful thought. 

  • An estoppel or bar by which a person is held to a particular position. 

  • The end, finish, close or last part of something. 

prologue

noun
  • A speech or section used as an introduction, especially to a play or novel. 

  • A component of a computer program that prepares the computer to execute a routine. 

  • One who delivers a prologue. 

  • An individual time trial before a stage race, used to determine which rider wears the leader's jersey on the first stage. 

verb
  • To introduce with a formal preface, or prologue. 

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