virtuoso vs champion

virtuoso and champion both are nouns.

Word	Noun	Adjective	Verb	Adverb
virtuoso	Yes	Yes	No	No
champion	Yes	Yes	Yes	No

As nouns, virtuoso and champion are synonyms defined as:

Other synonyms of virtuoso include ace, adept, genius, hotshot, maven, mavin, sensation, star, superstar, whiz, whizz, wiz, wizard.

virtuoso (noun)	champion (noun)
someone who is dazzlingly skilled in any field	someone who fights for a cause
a musician who is a consummate master of technique and artistry	someone who has won first place in a competition
	a person who backs a politician or a team etc.
	someone who is dazzlingly skilled in any field

virtuoso (adjective)	champion (adjective)
having or revealing supreme mastery or skill	holding first place in a contest

virtuoso (verb)	champion (verb)
	protect or fight for as a champion