rowan vodka vs hard liquor

rowan vodka and hard liquor both are nouns.

Word	Noun	Adjective	Verb	Adverb
rowan vodka	Yes	No	No	No
hard liquor	Yes	No	No	No

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

rowan vodka: a strong liquor made from rowan infusion with the addition of natural caramel, wine distillate and fruit distillates.
hard liquor: an alcoholic beverage that is distilled rather than fermented

Other hypernyms of rowan vodka include booze, hard drink, John Barleycorn, liquor, spirits, strong drink.

rowan vodka (noun)	hard liquor (noun)
a strong liquor made from rowan infusion with the addition of natural caramel, wine distillate and fruit distillates.	an alcoholic beverage that is distilled rather than fermented