fold vs riffle

fold and riffle both are nouns.

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

fold (noun)	riffle (noun)
the act of folding	shuffling by splitting the pack and interweaving the two halves at their corners
a pen for sheep	a small wave on the surface of a liquid
a folded part (as in skin or muscle)
a group of people who adhere to a common faith and habitually attend a given church
a group of sheep or goats
a geological process that causes a bend in a stratum of rock
an angular or rounded shape made by folding

fold (verb)	riffle (verb)
incorporate a food ingredient into a mixture by repeatedly turning it over without stirring or beating	shuffle (playing cards) by separating the deck into two parts and riffling with the thumbs so the cards intermix
become folded or folded up	twitch or flutter
bend or lay so that one part covers the other	stir up (water) so as to form ripples
confine in a fold, like sheep	look through a book or other written material
cease to operate or cause to cease operating