brewage vs spruce beer

brewage and spruce beer both are nouns.

Word	Noun	Adjective	Verb	Adverb
brewage	Yes	No	No	No
spruce beer	Yes	No	No	No

As nouns, spruce beer is a hyponym of brewage; that is, spruce beer is a word with a more specific, narrower meaning than brewage:

brewage: drink made by steeping and boiling and fermenting rather than distilling
spruce beer: a brew made by fermenting molasses and other sugars with the sap of spruce trees (sometimes with malt)

Other hyponyms of brewage include beer, kvass, mead, cassiri.

brewage (noun)	spruce beer (noun)
drink made by steeping and boiling and fermenting rather than distilling	a brew made by fermenting molasses and other sugars with the sap of spruce trees (sometimes with malt)