break-off vs layoff

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 

layoff

noun
  • A short pass that has been rolled in front of another player for them to kick. 

  • A period of time when someone is unavailable for work. 

  • A dismissal of employees from their jobs because of tightened budgetary constraints or work shortage (not due to poor performance or misconduct). 

  • A bet that is laid off, i.e. placed with another bookmaker in order to reduce risk. 

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