rowan vodka vs liquor

rowan vodka and liquor both are nouns.

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

As nouns, liquor is a hypernym of rowan vodka; that is, 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.
liquor: an alcoholic beverage that is distilled rather than fermented

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

rowan vodka (noun)	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
	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