track star vs adept

track star and adept both are nouns.

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

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

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

track star (noun)	adept (noun)
a star runner	someone who is dazzlingly skilled in any field

track star (adjective)	adept (adjective)
	having or showing knowledge and skill and aptitude