lucre vs killing

lucre and killing both are nouns.

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

As nouns, killing is a hyponym of lucre; that is, killing is a word with a more specific, narrower meaning than lucre:

lucre: the excess of revenues over outlays in a given period of time (including depreciation and other non-cash expenses)
killing: a very large profit

lucre (noun)	killing (noun)
the excess of revenues over outlays in a given period of time (including depreciation and other non-cash expenses)	the act of terminating a life
informal terms for money	an event that causes someone to die
	a very large profit

lucre (adjective)	killing (adjective)
	very funny