Brunswick vs Braunschweig

Brunswick and Braunschweig both are nouns.

Word	Noun	Adjective	Verb	Adverb
Brunswick	Yes	No	No	No
Braunschweig	Yes	No	No	No

As nouns, Brunswick and Braunschweig are synonyms defined as:

Brunswick (noun)	Braunschweig (noun)
a city in central Germany	a city in central Germany
a university town in southwestern Maine
a town in southeast Georgia near the Atlantic coast; a port of entry