gay vs homophile

gay and homophile both are nouns.

Word	Noun	Adjective	Verb	Adverb
gay	Yes	Yes	No	No
homophile	Yes	Yes	No	No

As adjectives, gay and homophile are synonyms defined as:

Other synonyms of gay include queer.

As nouns, gay and homophile are synonyms defined as:

gay and homophile: someone who is sexually attracted to persons of the same sex

Other synonyms of gay include homo, homosexual.

gay (noun)	homophile (noun)
someone who is sexually attracted to persons of the same sex	someone who is sexually attracted to persons of the same sex

gay (adjective)	homophile (adjective)
bright and pleasant; promoting a feeling of cheer	homosexual or arousing homosexual desires
brightly colored and showy
homosexual or arousing homosexual desires
given to social pleasures often including dissipation
offering fun and gaiety
full of or showing high-spirited merriment