Nizhnyi Novgorod vs Nizhny Novgorod

Nizhnyi Novgorod and Nizhny Novgorod both are nouns.

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

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

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

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

Nizhnyi 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