roll up vs scrape

roll up is not a noun while scrape is a noun.

Word	Noun	Adjective	Verb	Adverb
roll up	No	No	Yes	No
scrape	Yes	No	Yes	No

As verbs, scrape is a hyponym of roll up; that is, scrape is a word with a more specific, narrower meaning than roll up:

Other hyponyms of roll up include run up, corral, collect, pull in, come up, scrape up, scratch, chunk, lump, bale, catch, fund, fund.

roll up (noun)	scrape (noun)
	an indication of damage
	a deep bow with the foot drawn backwards (indicating excessive humility)
	a harsh noise made by scraping
	an abraded area where the skin is torn or worn off

roll up (verb)	scrape (verb)
form a cylinder by rolling	scratch repeatedly
form into a cylinder by rolling	bruise, cut, or injure the skin or the surface of
show certain properties when being rolled	cut the surface of; wear away the surface of
make into a bundle	gather (money or other resources) together over time
close (a car window) by causing it to move up, as with a handle	make by scraping
arrive in a vehicle:	bend the knees and bow in a servile manner
get or gather together