schnaps vs strong drink

schnaps and strong drink both are nouns.

Word	Noun	Adjective	Verb	Adverb
schnaps	Yes	No	No	No
strong drink	Yes	No	No	No

As nouns, strong drink is a hypernym of schnaps; that is, strong drink is a word with a broader meaning than schnaps:

schnaps: any of various strong liquors especially a Dutch spirit distilled from potatoes
strong drink: an alcoholic beverage that is distilled rather than fermented

Other hypernyms of schnaps include booze, hard drink, hard liquor, John Barleycorn, liquor, spirits.

schnaps (noun)	strong drink (noun)
any of various strong liquors especially a Dutch spirit distilled from potatoes	an alcoholic beverage that is distilled rather than fermented