morality vs virtue

morality and virtue both are nouns.

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

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

morality: concern with the distinction between good and evil or right and wrong; right or good conduct
virtue: morality with respect to sexual relations

Other hyponyms of morality include righteousness, rightness, conscience, good, goodness, chastity, sexual morality, ethicality.

morality (noun)	virtue (noun)
concern with the distinction between good and evil or right and wrong; right or good conduct	the quality of doing what is right and avoiding what is wrong
motivation based on ideas of right and wrong	morality with respect to sexual relations
	any admirable quality or attribute
	a particular moral excellence