gross profit vs net income

gross profit and net income both are nouns.

Word	Noun	Adjective	Verb	Adverb
gross profit	Yes	No	No	No
net income	Yes	No	No	No

As nouns, net income is a hypernym of gross profit; that is, net income is a word with a broader meaning than gross profit:

gross profit: (finance) the net sales minus the cost of goods and services sold
net income: the excess of revenues over outlays in a given period of time (including depreciation and other non-cash expenses)

Other hypernyms of gross profit include earnings, lucre, net, net profit, profit, profits.

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