death vs killing

death and killing both are nouns.

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

As nouns, killing is a hypernym of death; that is, killing is a word with a broader meaning than death:

Other hypernyms of death include kill, putting to death.

death (noun)	killing (noun)
the act of killing	the act of terminating a life
the event of dying or departure from life	an event that causes someone to die
the permanent end of all life functions in an organism or part of an organism	a very large profit
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

death (adjective)	killing (adjective)
	very funny