gambling game vs fantan

gambling game and fantan both are nouns.

Word	Noun	Adjective	Verb	Adverb
gambling game	Yes	No	No	No
fantan	Yes	No	No	No

As nouns, fantan is a hyponym of gambling game; that is, fantan is a word with a more specific, narrower meaning than gambling game:

gambling game: a game that involves gambling
fantan: a Chinese gambling game; a random number of counters are placed under a bowl and you gamble on how many will be left (0, 1, 2, or 3 modulo 4)

Other hyponyms of gambling game include fan tan, drawing, lottery, craps, roulette, banking game.

gambling game (noun)	fantan (noun)
a game that involves gambling	a Chinese gambling game; a random number of counters are placed under a bowl and you gamble on how many will be left (0, 1, 2, or 3 modulo 4)
	a card game in which you play your sevens and other cards in sequence in the same suit as the sevens; you win if you are the first to use all your cards