Buchenwald concentration camp vs Buchenwald

Buchenwald concentration camp and Buchenwald both are nouns.

Word	Noun	Adjective	Verb	Adverb
Buchenwald concentration camp	Yes	No	No	No
Buchenwald	Yes	No	No	No

As nouns, Buchenwald concentration camp and Buchenwald are synonyms defined as:

Buchenwald concentration camp and Buchenwald: a Nazi concentration camp for Jews in World War II that was located in central Germany

Buchenwald concentration camp (noun)	Buchenwald (noun)
a Nazi concentration camp for Jews in World War II that was located in central Germany	a Nazi concentration camp for Jews in World War II that was located in central Germany