riffle vs turn up

riffle is a noun but turn up is not a noun.

Word	Noun	Adjective	Verb	Adverb
riffle	Yes	No	Yes	No
turn up	No	No	Yes	No

riffle (noun)	turn up (noun)
shuffling by splitting the pack and interweaving the two halves at their corners
a small wave on the surface of a liquid

riffle (verb)	turn up (verb)
shuffle (playing cards) by separating the deck into two parts and riffling with the thumbs so the cards intermix	appear or become visible; make a showing
twitch or flutter	bend or lay so that one part covers the other
stir up (water) so as to form ripples	find by digging in the ground
look through a book or other written material	discover the location of; determine the place of; find by searching or examining
	be shown or be found to be