accumulate vs scratch

accumulate is not a noun while scratch is a noun.

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

As verbs, scratch is a hyponym of accumulate; that is, scratch 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, scrape up, chunk, lump, bale, catch, fund, fund.

accumulate (noun)	scratch (noun)
	an indication of damage
	(golf) a handicap of zero strokes
	poor handwriting
	a harsh noise made by scraping
	dry mash for poultry
	a line indicating the location of the start of a race or a game
	a competitor who has withdrawn from competition
	informal terms for money
	a depression scratched or carved into a surface
	an abraded area where the skin is torn or worn off

accumulate (verb)	scratch (verb)
increase in amount by collecting or gathering	cut the surface of; wear away the surface of
get or gather together	cause friction
	carve, cut, or etch into a material or surface
	gather (money or other resources) together over time
	remove by erasing or crossing out or as if by drawing a line
	scrape or rub as if to relieve itching
	postpone indefinitely or annul something that was scheduled