gamble vs bet

gamble and bet both are nouns.

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

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

Other hyponyms of gamble include stake, stakes, wager.

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

Other hyponyms of gamble include dice, shoot craps, play, play, wager.

gamble (noun)	bet (noun)
a risky act or venture	the act of gambling
money that is risked for possible monetary gain	the money risked on a gamble

gamble (verb)	bet (verb)
play games for money	have faith or confidence in
take a risk in the hope of a favorable outcome	maintain with or as if with a bet
	stake on the outcome of an issue