discernment vs virtu

discernment and virtu both are nouns.

Word	Noun	Adjective	Verb	Adverb
discernment	Yes	No	No	No
virtu	Yes	No	No	No

As nouns, virtu is a hyponym of discernment; that is, virtu is a word with a more specific, narrower meaning than discernment:

Other hyponyms of discernment include connoisseurship, vertu, style, trend, vogue, delicacy, discretion, culture.

discernment (noun)	virtu (noun)
the trait of judging wisely and objectively	objet d'art collectively (especially fine antiques)
the mental ability to understand and discriminate between relations	artistic quality
the cognitive condition of someone who understands	love of or taste for fine objects of art
perception of that which is obscure
delicate discrimination (especially of esthetic values)