schnapps vs strong drink

schnapps and strong drink both are nouns.

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

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

schnapps: 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 schnapps include booze, hard drink, hard liquor, John Barleycorn, liquor, spirits.

schnapps (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