score vs set

score and set both are nouns.

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

As nouns, set is a hypernym of score; that is, set is a word with a broader meaning than score:

score: a set of twenty members
set: a group of things of the same kind that belong together and are so used

score (noun)	set (noun)
the act of scoring in a game or sport	several exercises intended to be done in series
a seduction culminating in sexual intercourse	the act of putting something in position
a number or letter indicating quality (especially of a student's performance)	representation consisting of the scenery and other properties used to identify the location of a dramatic production
the facts about an actual situation	any electronic equipment that receives or transmits radio or tv signals
a written form of a musical composition; parts for different instruments appear on separate staves on large pages	(psychology) being temporarily ready to respond in a particular way
a resentment strong enough to justify retaliation	a relatively permanent inclination to react in a particular way
a set of twenty members	the descent of a heavenly body below the horizon
grounds	a group of things of the same kind that belong together and are so used
a number that expresses the accomplishment of a team or an individual in a game or contest	an unofficial association of people or groups
a slight surface cut (especially a notch that is made to keep a tally)	(mathematics) an abstract collection of numbers or symbols
an amount due (as at a restaurant or bar)	the process of becoming hard or solid by cooling or drying or crystallization
	a unit of play in tennis or squash

score (adjective)	set (adjective)
	set down according to a plan
	being below the horizon
	converted to solid form (as concrete)
	fixed and unmoving
	(usually followed by `to' or `for') on the point of or strongly disposed
	situated in a particular spot or position
	determined or decided upon as by an authority

score (verb)	set (verb)
assign a grade or rank to, according to one's evaluation	arrange attractively
make underscoring marks	produce fruit
gain points in a game	alter or regulate so as to achieve accuracy or conform to a standard
get a certain number or letter indicating quality or performance	put into a certain state; cause to be in a certain state
make small marks into the surface of	set to a certain position or cause to operate correctly
induce to have sex	equip with sails or masts
write a musical score for	become gelatinous
	make ready or suitable or equip in advance for a particular purpose or for some use, event, etc
	get ready for a particular purpose or event
	fix conclusively or authoritatively
	estimate
	decide upon or fix definitely
	establish as the highest level or best performance
	urge to attack someone
	put into a certain place or abstract location
	fix in a border
	give a fine, sharp edge to a knife or razor
	insert (a nail or screw below the surface, as into a countersink)
	put or set (seeds, seedlings, or plants) into the ground
	put into a position that will restore a normal state
	adapt for performance in a different way
	locate
	set in type
	apply or start
	disappear beyond the horizon