chaste vs virtue

chaste is not a noun while virtue is a noun.

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

chaste (noun)	virtue (noun)
	the quality of doing what is right and avoiding what is wrong
	morality with respect to sexual relations
	any admirable quality or attribute
	a particular moral excellence

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