philhellene vs admirer

philhellene and admirer both are nouns.

Word	Noun	Adjective	Verb	Adverb
philhellene	Yes	Yes	No	No
admirer	Yes	No	No	No

As nouns, admirer is a hypernym of philhellene; that is, admirer is a word with a broader meaning than philhellene:

Other hypernyms of philhellene include booster, champion, friend, protagonist, supporter.

philhellene (noun)	admirer (noun)
an admirer of Greece and everything Greek	someone who admires a young woman
	a person who backs a politician or a team etc.
	a person who admires; someone who esteems or respects or approves

philhellene (adjective)	admirer (adjective)
characterized by a love of Greece and Grecian things