baltic porter vs lager beer

baltic porter and lager beer both are nouns.

Word	Noun	Adjective	Verb	Adverb
baltic porter	Yes	No	No	No
lager beer	Yes	No	No	No

As nouns, lager beer is a hypernym of baltic porter; that is, lager beer is a word with a broader meaning than baltic porter:

baltic porter: a dark, very strong lager, fermented at cooler temperatures.
lager beer: a general term for beer made with bottom fermenting yeast (usually by decoction mashing); originally it was brewed in March or April and matured until September

Other hypernyms of baltic porter include lager.

baltic porter (noun)	lager beer (noun)
a dark, very strong lager, fermented at cooler temperatures.	a general term for beer made with bottom fermenting yeast (usually by decoction mashing); originally it was brewed in March or April and matured until September