venture vs gamble

venture and gamble both are nouns.

Word	Noun	Adjective	Verb	Adverb
venture	Yes	No	Yes	No
gamble	Yes	No	Yes	No

As nouns, gamble is a hyponym of venture; that is, gamble is a word with a more specific, narrower meaning than venture:

Other hyponyms of venture include smart money, pyramid, agiotage.

venture (noun)	gamble (noun)
any venturesome undertaking especially one with an uncertain outcome	a risky act or venture
a commercial undertaking that risks a loss but promises a profit	money that is risked for possible monetary gain
an investment that is very risky but could yield great profits

venture (verb)	gamble (verb)
put forward, of a guess, in spite of possible refutation	play games for money
put at risk	take a risk in the hope of a favorable outcome
proceed somewhere despite the risk of possible dangers