liquor vs alcoholic beverage

liquor and alcoholic beverage both are nouns.

Word	Noun	Adjective	Verb	Adverb
liquor	Yes	No	No	No
alcoholic beverage	Yes	No	No	No

As nouns, alcoholic beverage is a hypernym of liquor; that is, alcoholic beverage is a word with a broader meaning than liquor:

Other hypernyms of liquor include alcohol, alcoholic drink, inebriant, intoxicant.

liquor (noun)	alcoholic beverage (noun)
an alcoholic beverage that is distilled rather than fermented	a liquor or brew containing alcohol as the active agent
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