euchre vs card game

euchre and card game both are nouns.

Word	Noun	Adjective	Verb	Adverb
euchre	Yes	No	No	No
card game	Yes	No	No	No

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

euchre: a card game similar to ecarte; each player is dealt 5 cards and the player making trump must take 3 tricks to win a hand
card game: a game played with playing cards

Other hypernyms of euchre include cards.

euchre (noun)	card game (noun)
a card game similar to ecarte; each player is dealt 5 cards and the player making trump must take 3 tricks to win a hand	a game played with playing cards