minor role vs theatrical role

minor role and theatrical role both are nouns.

Word	Noun	Adjective	Verb	Adverb
minor role	Yes	No	No	No
theatrical role	Yes	No	No	No

As nouns, theatrical role is a hypernym of minor role; that is, theatrical role is a word with a broader meaning than minor role:

Other hypernyms of minor role include character, part, persona, role.

minor role (noun)	theatrical role (noun)
a small role	an actor's portrayal of someone in a play