cards vs riffle

cards and riffle both are nouns.

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

cards (noun)	riffle (noun)
a game played with playing cards	shuffling by splitting the pack and interweaving the two halves at their corners
	a small wave on the surface of a liquid

cards (verb)	riffle (verb)
	shuffle (playing cards) by separating the deck into two parts and riffling with the thumbs so the cards intermix
	twitch or flutter
	stir up (water) so as to form ripples
	look through a book or other written material