musicology vs liberal arts

musicology and liberal arts both are nouns.

Word	Noun	Adjective	Verb	Adverb
musicology	Yes	No	No	No
liberal arts	Yes	No	No	No

As nouns, liberal arts is a hypernym of musicology; that is, liberal arts is a word with a broader meaning than musicology:

musicology: the scholarly and scientific study of music
liberal arts: studies intended to provide general knowledge and intellectual skills (rather than occupational or professional skills)

Other hypernyms of musicology include arts, humanistic discipline, humanities.

musicology (noun)	liberal arts (noun)
the scholarly and scientific study of music	studies intended to provide general knowledge and intellectual skills (rather than occupational or professional skills)