lucre vs gross profit

lucre and gross profit both are nouns.

Word	Noun	Adjective	Verb	Adverb
lucre	Yes	No	No	No
gross profit	Yes	No	No	No

As nouns, gross profit is a hyponym of lucre; that is, gross profit 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)
gross profit: (finance) the net sales minus the cost of goods and services sold

lucre (noun)	gross profit (noun)
the excess of revenues over outlays in a given period of time (including depreciation and other non-cash expenses)	(finance) the net sales minus the cost of goods and services sold
informal terms for money