Volgograd vs Tsaritsyn

Volgograd and Tsaritsyn both are nouns.

Word	Noun	Adjective	Verb	Adverb
Volgograd	Yes	No	No	No
Tsaritsyn	Yes	No	No	No

As nouns, Volgograd and Tsaritsyn are synonyms defined as:

Volgograd and Tsaritsyn: a city in the European part of Russia on the Volga; site of German defeat in World War II in the winter of 1942-43

Other synonyms of Volgograd include Stalingrad.

Volgograd (noun)	Tsaritsyn (noun)
a city in the European part of Russia on the Volga; site of German defeat in World War II in the winter of 1942-43	a city in the European part of Russia on the Volga; site of German defeat in World War II in the winter of 1942-43