philologue vs philologist

philologue and philologist both are nouns.

Word	Noun	Adjective	Verb	Adverb
philologue	Yes	No	No	No
philologist	Yes	No	No	No

As nouns, philologue and philologist are synonyms defined as:

philologue and philologist: a humanist specializing in classical scholarship

philologue (noun)	philologist (noun)
a humanist specializing in classical scholarship	a humanist specializing in classical scholarship