nap vs cards

nap and cards both are nouns.

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

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

Other hypernyms of nap include card game.

nap (noun)	cards (noun)
sleeping for a short period of time (usually not in bed)	a game played with playing cards
a card game similar to whist; usually played for stakes
the yarn (as in a rug or velvet or corduroy) that stands up from the weave
a soft or fuzzy surface texture
a period of time spent sleeping

nap (verb)	cards (verb)
take a siesta