parterre vs parquet circle

parterre and parquet circle both are nouns.

Word	Noun	Adjective	Verb	Adverb
parterre	Yes	No	No	No
parquet circle	Yes	No	No	No

As nouns, parterre and parquet circle are synonyms defined as:

parterre and parquet circle: seating at the rear of the main floor (beneath the balconies)

parterre (noun)	parquet circle (noun)
seating at the rear of the main floor (beneath the balconies)	seating at the rear of the main floor (beneath the balconies)
an ornamental flower garden; beds and paths are arranged to form a pattern