demise vs heart attack

demise

noun
  • Death. 

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

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

  • 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. 

heart attack

noun
  • Death or failure. 

  • An acute myocardial infarction, sometimes fatal, caused by the sudden occurrence of coronary thrombosis, which obstructs the blood supply to the heart and leads to necrosis of heart muscle tissue. 

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