white beer vs Weissbier

white beer and Weissbier both are nouns.

Word	Noun	Adjective	Verb	Adverb
white beer	Yes	No	No	No
Weissbier	Yes	No	No	No

As nouns, white beer and Weissbier are synonyms defined as:

white beer and Weissbier: a general name for beers made from wheat by top fermentation; usually very pale and cloudy and effervescent

Other synonyms of white beer include wheat beer.

white beer (noun)	Weissbier (noun)
a general name for beers made from wheat by top fermentation; usually very pale and cloudy and effervescent	a general name for beers made from wheat by top fermentation; usually very pale and cloudy and effervescent