lucre vs earnings

lucre and earnings both are nouns.

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

As nouns, lucre and earnings are synonyms defined as:

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

Other synonyms of lucre include net, net income, net profit, profit, profits.

lucre (noun)	earnings (noun)
the excess of revenues over outlays in a given period of time (including depreciation and other non-cash expenses)	something that remunerates
informal terms for money	the excess of revenues over outlays in a given period of time (including depreciation and other non-cash expenses)