Nizhni Novgorod vs Nizhny Novgorod

Nizhni Novgorod and Nizhny Novgorod both are nouns.

Word	Noun	Adjective	Verb	Adverb
Nizhni Novgorod	Yes	No	No	No
Nizhny Novgorod	Yes	No	No	No

As nouns, Nizhni Novgorod and Nizhny Novgorod are synonyms defined as:

Nizhni Novgorod and Nizhny Novgorod: an industrial city in the European part of Russia; birthplace of Maksim Gorky

Other synonyms of Nizhni Novgorod include Gorki, Gorkiy, Gorky, Nizhnyi Novgorod.

Nizhni Novgorod (noun)	Nizhny Novgorod (noun)
an industrial city in the European part of Russia; birthplace of Maksim Gorky	an industrial city in the European part of Russia; birthplace of Maksim Gorky