lay off vs pledge

lay off

verb
  • To place all or part of a bet with another bookmaker in order to reduce risk. 

  • In painting, to apply gentle strokes to smooth a wet coat of paint so as to remove visible roller- or brush-marks, commonly using a dry brush; a similar technique, but using a loaded laying-off brush, may produce a smooth coat of paint when using a roller or the usual brush techniques would leave marks. 

  • To plan out (a navigational course) using a chart. 

  • To cease, quit, stop (doing something). 

  • (of an employer) To dismiss (workers) from employment, e.g. at a time of low business volume or through no fault of the worker, often with a severance package. 

  • To stop bothering, teasing, or pestering someone; to leave (someone) alone. 

pledge

verb
  • To deposit something as a security; to pawn. 

  • To make a solemn promise (to do something). 

  • To give assurance of friendship by the act of drinking; to drink to one's health. 

noun
  • A solemn promise to do something. 

  • The personal property so pledged, to be kept until the debt is paid. 

  • A bailment of personal property to secure payment of a debt without transfer of title. 

  • A person who has taken a pledge of allegiance to a college fraternity, but is not yet formally approved. 

  • A drinking toast. 

  • An asset or person temporarily handed over to guarantee the fulfilment of something promised, under threat of permanent loss of the thing handed over; surety, security, hostage. 

  • A promise to abstain from drinking alcohol. 

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