epilogue vs prelude

epilogue

verb
  • To conclude with an epilogue. 

noun
  • A short speech, spoken directly at the audience at the end of a play 

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

  • The performer who gives this speech 

  • A brief oration or script at the end of a literary piece; an afterword 

prelude

verb
  • To introduce something, as a prelude. 

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

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. 

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