demise vs death

demise and death both are nouns.

Word	Noun	Adjective	Verb	Adverb
demise	Yes	No	Yes	No
death	Yes	No	No	No

As nouns, demise and death are synonyms defined as:

Other synonyms of demise include dying.

demise (noun)	death (noun)
the time when something ends	the act of killing
	the event of dying or departure from life
	the permanent end of all life functions in an organism or part of an organism
	the absence of life or state of being dead
	a final state
	the time when something ends
	the time at which life ends; continuing until dead

demise (verb)	death (verb)
transfer by a lease or by a will