linguistics vs philology

linguistics and philology both are nouns.

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

As nouns, linguistics and philology are synonyms defined as:

linguistics and philology: the humanistic study of language and literature

linguistics (noun)	philology (noun)
the scientific study of language	the humanistic study of language and literature
the humanistic study of language and literature