par vs score

par and score both are nouns.

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

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

par: (golf) the standard number of strokes set for each hole on a golf course, or for the entire course
score: a number that expresses the accomplishment of a team or an individual in a game or contest

As verbs, score is a hypernym of par; that is, score is a word with a broader meaning than par:

Other hypernyms of par include rack up, tally.

par (noun)	score (noun)
(golf) the standard number of strokes set for each hole on a golf course, or for the entire course	the act of scoring in a game or sport
a state of being essentially equal or equivalent; equally balanced	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)

par (verb)	score (verb)
make a score (on a hole) equal to par	assign a grade or rank to, according to one's evaluation
	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