right stage vs stage right

right stage and stage right both are nouns.

Word	Noun	Adjective	Verb	Adverb
right stage	Yes	No	No	No
stage right	Yes	No	No	No

As nouns, right stage and stage right are synonyms defined as:

right stage and stage right: the part of the stage on the actor's right as the actor faces the audience

right stage (noun)	stage right (noun)
the part of the stage on the actor's right as the actor faces the audience	the part of the stage on the actor's right as the actor faces the audience