break-off vs continuation

break-off

noun
  • The first shot in a game of snooker or other cue-game 

  • That which breaks off, or is broken off 

  • A break, discontinuance, or interruption 

verb
  • To play the first shot in a game of snooker 

continuation

noun
  • 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. 

  • 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. 

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

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