alcohol vs potable

alcohol and potable both are nouns.

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

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

Other hypernyms of alcohol include drug of abuse, street drug, beverage, drink, drinkable.

alcohol (noun)	potable (noun)
a liquor or brew containing alcohol as the active agent	any liquid suitable for drinking
any of a series of volatile hydroxyl compounds that are made from hydrocarbons by distillation

alcohol (adjective)	potable (adjective)
	suitable for drinking