scene-stealer vs thespian

scene-stealer and thespian both are nouns.

Word	Noun	Adjective	Verb	Adverb
scene-stealer	Yes	No	No	No
thespian	Yes	Yes	No	No

As nouns, thespian is a hypernym of scene-stealer; that is, thespian is a word with a broader meaning than scene-stealer:

scene-stealer: an actor who draws more attention than other actors in the same scene
thespian: a theatrical performer

Other hypernyms of scene-stealer include actor, histrion, player, role player.

scene-stealer (noun)	thespian (noun)
an actor who draws more attention than other actors in the same scene	a theatrical performer

scene-stealer (adjective)	thespian (adjective)
	of or relating to drama