break-off vs interlude

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 

interlude

noun
  • An entertainment between the acts of a play. 

  • An intervening episode, etc. 

  • A short piece put between the parts of a longer composition. 

verb
  • To provide with an interlude. 

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