chaste vs virgin

chaste is not a noun while virgin is a noun.

Word	Noun	Adjective	Verb	Adverb
chaste	No	Yes	No	No
virgin	Yes	Yes	No	No

chaste (noun)	virgin (noun)
	a person who has never had sex

chaste (adjective)	virgin (adjective)
morally pure (especially not having experienced sexual intercourse)	in a state of sexual virginity
abstaining from unlawful sexual intercourse	being used or worked for the first time
pure and simple in design or style