perceptiveness vs vertu

perceptiveness and vertu both are nouns.

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

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

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

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