shuffle vs riffle

shuffle and riffle both are nouns.

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

As nouns, riffle is a hyponym of shuffle; that is, riffle is a word with a more specific, narrower meaning than shuffle:

shuffle: the act of mixing cards haphazardly
riffle: shuffling by splitting the pack and interweaving the two halves at their corners

Other hyponyms of shuffle include reshuffle, reshuffling.

As verbs, riffle is a hyponym of shuffle; that is, riffle is a word with a more specific, narrower meaning than shuffle:

shuffle: mix so as to make a random order or arrangement
riffle: shuffle (playing cards) by separating the deck into two parts and riffling with the thumbs so the cards intermix

Other hyponyms of shuffle include reshuffle, cut.

shuffle (noun)	riffle (noun)
the act of mixing cards haphazardly	shuffling by splitting the pack and interweaving the two halves at their corners
walking with a slow dragging motion without lifting your feet	a small wave on the surface of a liquid

shuffle (verb)	riffle (verb)
mix so as to make a random order or arrangement	shuffle (playing cards) by separating the deck into two parts and riffling with the thumbs so the cards intermix
walk by dragging one's feet	twitch or flutter
move about, move back and forth	stir up (water) so as to form ripples
	look through a book or other written material