kick-off vs layoff

kick-off

noun
  • The opening kick of each half of a game of football. 

  • The opening sequence of any event. 

  • The opening sequence of notes in a song, usually played by the song's main instrument, to indicate the beginning of the song. 

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 kick-off and layoff occurred in a corpus of books? (source: Google Ngram Viewer )