mulberry liqueur vs hard liquor

mulberry liqueur and hard liquor both are nouns.

Word	Noun	Adjective	Verb	Adverb
mulberry liqueur	Yes	No	No	No
hard liquor	Yes	No	No	No

As nouns, hard liquor is a hypernym of mulberry liqueur; that is, hard liquor is a word with a broader meaning than mulberry liqueur:

mulberry liqueur: an alcoholic beverage made by infusing mulberries in strong alcohol.
hard liquor: an alcoholic beverage that is distilled rather than fermented

Other hypernyms of mulberry liqueur include booze, hard drink, John Barleycorn, liquor, spirits, strong drink.

mulberry liqueur (noun)	hard liquor (noun)
an alcoholic beverage made by infusing mulberries in strong alcohol.	an alcoholic beverage that is distilled rather than fermented