white beer vs wheat beer

white beer and wheat beer both are nouns.

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

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

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

Other synonyms of white beer include Weissbier.

white beer (noun)	wheat beer (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