score vs ace

score and ace both are nouns.

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

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

Other hyponyms of score include par, shoot, convert, homer, kick, eagle, hole up, walk, equalise, equalize, get even, get, have, make.

score (noun)	ace (noun)
the act of scoring in a game or sport	a serve that the receiver is unable to reach
a seduction culminating in sexual intercourse	one of four playing cards in a deck having a single pip on its face
a number or letter indicating quality (especially of a student's performance)	someone who is dazzlingly skilled in any field
the facts about an actual situation	the smallest whole number or a numeral representing this number
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)

score (adjective)	ace (adjective)
	of the highest quality

score (verb)	ace (verb)
assign a grade or rank to, according to one's evaluation	score an ace against
make underscoring marks	serve an ace against (someone)
gain points in a game	play (a hole) in one stroke
get a certain number or letter indicating quality or performance	succeed at easily
make small marks into the surface of
induce to have sex
write a musical score for