endpoint vs finale

endpoint

noun
  • Either of the two points at the ends of a line segment. 

  • The entity at one end of a connection. 

  • A defined occurrence during the observation period of an experiment or study. 

  • The stage in a titration at which a change in the colour of an indicator indicates that no more titrant should be added. 

  • Part of a system that serves as a hook, allowing third-party code to intercept and modify behaviour at that point. 

  • Either of the two nodes of a graph of degree 1. 

finale

noun
  • The grand end of something, especially a show or piece of music. 

  • The chronological conclusion of a series of narrative works. 

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