fly gallery vs fly floor

fly gallery and fly floor both are nouns.

Word	Noun	Adjective	Verb	Adverb
fly gallery	Yes	No	No	No
fly floor	Yes	No	No	No

As nouns, fly gallery and fly floor are synonyms defined as:

fly gallery and fly floor: a narrow raised platform at the side of a stage in a theater; stagehands can work the ropes controlling equipment in the flies

fly gallery (noun)	fly floor (noun)
a narrow raised platform at the side of a stage in a theater; stagehands can work the ropes controlling equipment in the flies	a narrow raised platform at the side of a stage in a theater; stagehands can work the ropes controlling equipment in the flies