continuation vs continuity

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. 

continuity

noun
  • A characteristic property of a continuous function. 

  • The announcements and messages inserted by the broadcaster between programmes. 

  • Lack of interruption or disconnection; the quality of being continuous in space or time. 

  • A narrative device in episodic fiction where previous and/or future events in a series of stories are accounted for in present stories. 

  • Consistency between multiple shots depicting the same scene but possibly filmed on different occasions. 

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