Munich beer vs Munchener

Munich beer and Munchener both are nouns.

Word	Noun	Adjective	Verb	Adverb
Munich beer	Yes	No	No	No
Munchener	Yes	No	No	No

As nouns, Munich beer and Munchener are synonyms defined as:

Munich beer and Munchener: a dark lager produced in Munich since the 10th century; has a distinctive taste of malt

Munich beer (noun)	Munchener (noun)
a dark lager produced in Munich since the 10th century; has a distinctive taste of malt	a dark lager produced in Munich since the 10th century; has a distinctive taste of malt