coda vs conclusion

coda

noun
  • A conclusion (of a statement or event, for example), final portion, tail end. 

  • The optional final part of a syllable, placed after its nucleus, and usually composed of one or more consonants. 

  • In seismograms, the gradual return to baseline after a seismic event. The length of the coda can be used to estimate event magnitude, and the shape sometimes reveals details of subsurface structures. 

  • A passage that brings a movement or piece to a conclusion through prolongation. 

conclusion

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

  • 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. 

  • 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. 

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