scene-stealer vs histrion

scene-stealer and histrion both are nouns.

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

As nouns, histrion is a hypernym of scene-stealer; that is, histrion 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
histrion: a theatrical performer

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

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