coda vs continuation

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. 

continuation

noun
  • The act or state of continuing or being continued; uninterrupted extension or succession 

  • That which extends, increases, supplements, or carries on. 

  • A representation of an execution state of a program at a certain point in time, which may be used at a later time to resume the execution of the program from that point. 

  • A successful shot that, despite a foul, is made with a single continuous motion beginning before the foul, and that is therefore valid in certain forms of basketball. 

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