proscenium vs forestage

proscenium and forestage both are nouns.

Word	Noun	Adjective	Verb	Adverb
proscenium	Yes	No	No	No
forestage	Yes	No	No	No

As nouns, proscenium and forestage are synonyms defined as:

proscenium and forestage: the part of a modern theater stage between the curtain and the orchestra (i.e., in front of the curtain)

Other synonyms of proscenium include apron.

proscenium (noun)	forestage (noun)
the wall that separates the stage from the auditorium in a modern theater	the part of a modern theater stage between the curtain and the orchestra (i.e., in front of the curtain)
the part of a modern theater stage between the curtain and the orchestra (i.e., in front of the curtain)