heathen vs gentile

heathen and gentile both are nouns.

Word	Noun	Adjective	Verb	Adverb
heathen	Yes	Yes	No	No
gentile	Yes	Yes	No	No

As nouns, heathen and gentile are synonyms defined as:

Other synonyms of heathen include infidel, pagan.

heathen (noun)	gentile (noun)
a person who does not acknowledge your god	a Christian as contrasted with a Jew
	a person who does not acknowledge your god
	a person who is not a member of one's own religion; used in this sense by Mormons and Hindus
	a Christian

heathen (adjective)	gentile (adjective)
not acknowledging the God of Christianity and Judaism and Islam	belonging to or characteristic of non-Jewish peoples