layoff vs stop-work

layoff

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

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

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

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

stop-work

noun
  • Causing work to cease temporarily for administrative reasons such as safety concerns or legal action. 

  • Temporary cessation of labor as a form of protest. 

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