cash in on vs profit

cash in on is not a noun while profit is a noun.

Word	Noun	Adjective	Verb	Adverb
cash in on	No	No	Yes	No
profit	Yes	No	Yes	No

As verbs, profit is a hypernym of cash in on; that is, profit is a word with a broader meaning than cash in on:

Other hypernyms of cash in on include benefit, gain.

cash in on (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)

cash in on (verb)	profit (verb)
take advantage of or capitalize on	make a profit; gain money or materially
	derive a benefit from