gamble vs take a chance

gamble is a noun but take a chance is not a noun.

Word	Noun	Adjective	Verb	Adverb
gamble	Yes	No	Yes	No
take a chance	No	No	Yes	No

As verbs, gamble and take a chance are synonyms defined as:

gamble and take a chance: take a risk in the hope of a favorable outcome

Other synonyms of gamble include adventure, chance, hazard, risk, run a risk, take chances.

gamble (noun)	take a chance (noun)
a risky act or venture
money that is risked for possible monetary gain

gamble (verb)	take a chance (verb)
play games for money	take a risk in the hope of a favorable outcome
take a risk in the hope of a favorable outcome