virgin vs virtuous

virgin is a noun but virtuous is not a noun.

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

As adjectives, virgin and virtuous are synonyms defined as:

Other synonyms of virgin include pure, vestal, virginal.

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

virgin (adjective)	virtuous (adjective)
in a state of sexual virginity	morally excellent
being used or worked for the first time	in a state of sexual virginity