turn a profit vs profit

turn a profit is not a noun while profit is a noun.

Word	Noun	Adjective	Verb	Adverb
turn a profit	No	No	Yes	No
profit	Yes	No	Yes	No

As verbs, turn a profit and profit are synonyms defined as:

turn a profit (noun)	profit (noun)
	the advantageous quality of being beneficial
	the excess of revenues over outlays in a given period of time (including depreciation and other non-cash expenses)

turn a profit (verb)	profit (verb)
make a profit; gain money or materially	make a profit; gain money or materially
	derive a benefit from