chaste vs celibate

chaste is not a noun while celibate is a noun.

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

chaste (noun)	celibate (noun)
	an unmarried person who has taken a religious vow of chastity

chaste (adjective)	celibate (adjective)
morally pure (especially not having experienced sexual intercourse)	abstaining from sexual intercourse
abstaining from unlawful sexual intercourse
pure and simple in design or style