piquet vs cards

piquet and cards both are nouns.

Word	Noun	Adjective	Verb	Adverb
piquet	Yes	No	No	No
cards	Yes	No	No	No

As nouns, cards is a hypernym of piquet; that is, cards is a word with a broader meaning than piquet:

Other hypernyms of piquet include card game.

piquet (noun)	cards (noun)
a card game for two players using a reduced pack of 32 cards	a game played with playing cards
a form of military punishment used by the British in the late 17th century in which a soldier was forced to stand on one foot on a pointed stake