score paper vs music paper

score paper and music paper both are nouns.

Word	Noun	Adjective	Verb	Adverb
score paper	Yes	No	No	No
music paper	Yes	No	No	No

As nouns, score paper and music paper are synonyms defined as:

score paper and music paper: paper with lines appropriate for writing music

score paper (noun)	music paper (noun)
paper with lines appropriate for writing music	paper with lines appropriate for writing music