break-off vs intermission

break-off

noun
  • A break, discontinuance, or interruption 

  • That which breaks off, or is broken off 

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

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

intermission

noun
  • A break between two performances or sessions, such as at a concert, play, seminar, or religious assembly. 

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