linguistics vs arts

linguistics and arts both are nouns.

Word	Noun	Adjective	Verb	Adverb
linguistics	Yes	No	No	No
arts	Yes	No	No	No

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

linguistics: the humanistic study of language and literature
arts: studies intended to provide general knowledge and intellectual skills (rather than occupational or professional skills)

Other hypernyms of linguistics include humanistic discipline, humanities, liberal arts.

linguistics (noun)	arts (noun)
the scientific study of language	studies intended to provide general knowledge and intellectual skills (rather than occupational or professional skills)
the humanistic study of language and literature