perceptiveness vs virtu

perceptiveness and virtu both are nouns.

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

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

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

perceptiveness (noun)	virtu (noun)
the quality of insight and sympathetic understanding	objet d'art collectively (especially fine antiques)
delicate discrimination (especially of esthetic values)	artistic quality
perception of that which is obscure	love of or taste for fine objects of art
a feeling of understanding