track star vs virtuoso

track star and virtuoso both are nouns.

Word	Noun	Adjective	Verb	Adverb
track star	Yes	No	No	No
virtuoso	Yes	Yes	No	No

As nouns, virtuoso is a hypernym of track star; that is, virtuoso is a word with a broader meaning than track star:

Other hypernyms of track star include ace, adept, champion, genius, hotshot, maven, mavin, sensation, star, superstar, whiz, whizz, wiz, wizard.

track star (noun)	virtuoso (noun)
a star runner	someone who is dazzlingly skilled in any field
	a musician who is a consummate master of technique and artistry

track star (adjective)	virtuoso (adjective)
	having or revealing supreme mastery or skill