Stalingrad vs Tsaritsyn

Stalingrad and Tsaritsyn both are nouns.

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

As nouns, Stalingrad and Tsaritsyn are synonyms defined as:

Stalingrad 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 Stalingrad include Volgograd.

Stalingrad (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