demise vs expiry date

demise

noun
  • The end of something, in a negative sense; downfall. 

  • Death. 

  • The conveyance or transfer of an estate, either in fee for life or for years, most commonly the latter. 

  • Transmission by formal act or conveyance to an heir or successor; transference; especially, the transfer or transmission of the crown or royal authority to a successor. 

verb
  • To transmit by inheritance. 

  • To pass by inheritance. 

  • To die. 

  • To convey, as by will or lease. 

expiry date

noun
  • The date on which something runs out or expires and becomes out of date, in many cases needing renewal. 

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