liquor vs schnapps

liquor and schnapps both are nouns.

Word	Noun	Adjective	Verb	Adverb
liquor	Yes	No	No	No
schnapps	Yes	No	No	No

As nouns, schnapps is a hyponym of liquor; that is, schnapps is a word with a more specific, narrower meaning than liquor:

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

liquor (noun)	schnapps (noun)
an alcoholic beverage that is distilled rather than fermented	any of various strong liquors especially a Dutch spirit distilled from potatoes
the liquid in which vegetables or meat have been cooked
a liquid substance that is a solution (or emulsion or suspension) used or obtained in an industrial process