all fours vs card game

all fours and card game both are nouns.

Word	Noun	Adjective	Verb	Adverb
all fours	Yes	No	No	No
card game	Yes	No	No	No

As nouns, card game is a hypernym of all fours; that is, card game is a word with a broader meaning than all fours:

all fours: card games in which points are won for taking the high or low or jack or game
card game: a game played with playing cards

Other hypernyms of all fours include cards.

all fours (noun)	card game (noun)
card games in which points are won for taking the high or low or jack or game	a game played with playing cards