alcohol vs sake

alcohol and sake both are nouns.

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

As nouns, sake is a hyponym of alcohol; that is, sake is a word with a more specific, narrower meaning than alcohol:

alcohol: a liquor or brew containing alcohol as the active agent
sake: Japanese alcoholic beverage made from fermented rice; usually served hot

alcohol (noun)	sake (noun)
a liquor or brew containing alcohol as the active agent	a reason for wanting something done
any of a series of volatile hydroxyl compounds that are made from hydrocarbons by distillation	the purpose of achieving or obtaining
	Japanese alcoholic beverage made from fermented rice; usually served hot