conclusion vs prelude

conclusion

noun
  • The outcome or result of a process or act. 

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

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

  • 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. 

prelude

noun
  • An introductory or preliminary performance or event. 

  • A forerunner to anything. 

  • A standard module or library of subroutines and functions to be imported, generally by default, into a program. 

  • A short, free-form piece of music, originally one serving as an introduction to a longer and more complex piece; later, starting with the Romantic period, generally a stand-alone piece. 

verb
  • To play an introduction or prelude; to give a prefatory performance. 

  • To introduce something, as a prelude. 

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