accomplish vs score

accomplish is not a noun while score is a noun.

Word	Noun	Adjective	Verb	Adverb
accomplish	No	No	Yes	No
score	Yes	No	Yes	No

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

Other hyponyms of accomplish include get to, make, progress to, reach, begin, come to, strike, culminate, compass, average, finagle, manage, wangle.

accomplish (noun)	score (noun)
	the act of scoring in a game or sport
	a seduction culminating in sexual intercourse
	a number or letter indicating quality (especially of a student's performance)
	the facts about an actual situation
	a written form of a musical composition; parts for different instruments appear on separate staves on large pages
	a resentment strong enough to justify retaliation
	a set of twenty members
	grounds
	a number that expresses the accomplishment of a team or an individual in a game or contest
	a slight surface cut (especially a notch that is made to keep a tally)
	an amount due (as at a restaurant or bar)

accomplish (verb)	score (verb)
put in effect	assign a grade or rank to, according to one's evaluation
to gain with effort	make underscoring marks
	gain points in a game
	get a certain number or letter indicating quality or performance
	make small marks into the surface of
	induce to have sex
	write a musical score for