score vs know

score and know both are nouns.

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

score (noun)	know (noun)
the act of scoring in a game or sport	the fact of being aware of information that is known to few people
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)

score (verb)	know (verb)
assign a grade or rank to, according to one's evaluation	be familiar or acquainted with a person or an object
make underscoring marks	be cognizant or aware of a fact or a specific piece of information; possess knowledge or information about
gain points in a game	know how to do or perform something
get a certain number or letter indicating quality or performance	have firsthand knowledge of states, situations, emotions, or sensations
make small marks into the surface of	accept (someone) to be what is claimed or accept his power and authority
induce to have sex	know the nature or character of
write a musical score for	be able to distinguish, recognize as being different
	perceive as familiar
	have fixed in the mind
	have sexual intercourse with