completion vs layoff

completion

noun
  • The act or state of being or making something complete; conclusion, accomplishment. 

  • The space resulting from such an act. 

  • The conclusion of an act of conveyancing concerning the sale of a property. 

  • The act of making a metric space complete by adding points. 

  • A forward pass that is successfully caught by the intended receiver. 

layoff

noun
  • 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 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. 

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