Rive Gauche vs Left Bank

Rive Gauche and Left Bank both are nouns.

Word	Noun	Adjective	Verb	Adverb
Rive Gauche	Yes	No	No	No
Left Bank	Yes	No	No	No

As nouns, Rive Gauche and Left Bank are synonyms defined as:

Rive Gauche and Left Bank: the region of Paris on the southern bank of the Seine; a center of artistic and student life

Other synonyms of Rive Gauche include Latin Quarter.

Rive Gauche (noun)	Left Bank (noun)
the region of Paris on the southern bank of the Seine; a center of artistic and student life	the region of Paris on the southern bank of the Seine; a center of artistic and student life