accumulate vs scrape

accumulate is not a noun while scrape is a noun.

Word	Noun	Adjective	Verb	Adverb
accumulate	No	No	Yes	No
scrape	Yes	No	Yes	No

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

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

accumulate (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

accumulate (verb)	scrape (verb)
increase in amount by collecting or gathering	scratch repeatedly
get or gather together	bruise, cut, or injure the skin or the surface of
	cut the surface of; wear away the surface of
	gather (money or other resources) together over time
	make by scraping
	bend the knees and bow in a servile manner