philhellene vs friend

philhellene and friend both are nouns.

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

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

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

philhellene (noun)	friend (noun)
an admirer of Greece and everything Greek	a person you know well and regard with affection and trust
	a person with whom you are acquainted
	an associate who provides cooperation or assistance
	a person who backs a politician or a team etc.

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