stage door vs entranceway

stage door and entranceway both are nouns.

Word	Noun	Adjective	Verb	Adverb
stage door	Yes	No	No	No
entranceway	Yes	No	No	No

As nouns, entranceway is a hypernym of stage door; that is, entranceway is a word with a broader meaning than stage door:

stage door: an entrance to the backstage area of theater; used by performers and other theater personnel
entranceway: something that provides access (to get in or get out)

Other hypernyms of stage door include entrance, entree, entry, entryway.

stage door (noun)	entranceway (noun)
an entrance to the backstage area of theater; used by performers and other theater personnel	something that provides access (to get in or get out)