liquor vs alcohol

liquor and alcohol both are nouns.

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

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

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

liquor (noun)	alcohol (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	any of a series of volatile hydroxyl compounds that are made from hydrocarbons by distillation
a liquid substance that is a solution (or emulsion or suspension) used or obtained in an industrial process