Go Fish vs card game

Go Fish and card game both are nouns.

Word	Noun	Adjective	Verb	Adverb
Go Fish	Yes	No	No	No
card game	Yes	No	No	No

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

Go Fish: a card game for two players who try to assemble books of cards by asking the opponent for particular cards
card game: a game played with playing cards

Other hypernyms of Go Fish include cards.

Go Fish (noun)	card game (noun)
a card game for two players who try to assemble books of cards by asking the opponent for particular cards	a game played with playing cards