coda vs endgame

coda

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

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

endgame

noun
  • The final stage of an extended process or course of events, especially with the implication of the imminent realization of a masterful strategy or plan. 

  • The final stage of a game of chess, when there are few pieces left. 

  • The final stage of any game. 

  • The gameplay available in a massively multiplayer online role-playing game for players who have completed all of the preset challenges. 

  • The final stage of a game of bridge, when there are few cards left. 

adj
  • Having become canon by the end of the plot of a work of fiction or speculated to be intended to become such. 

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