filthy lucre vs lucre

filthy lucre and lucre both are nouns.

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

As nouns, lucre is a hypernym of filthy lucre; that is, lucre is a word with a broader meaning than filthy lucre:

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

Other hypernyms of filthy lucre include earnings, net, net income, net profit, profit, profits.

filthy lucre (noun)	lucre (noun)
shameful profit	the excess of revenues over outlays in a given period of time (including depreciation and other non-cash expenses)
	informal terms for money