take a chance vs take chances

take a chance and take chances both are verbs.

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

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

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

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

take a chance (verb)	take chances (verb)
take a risk in the hope of a favorable outcome	take a risk in the hope of a favorable outcome