alcohol vs koumiss

alcohol and koumiss both are nouns.

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

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

alcohol: a liquor or brew containing alcohol as the active agent
koumiss: an alcoholic beverage made from fermented mare's milk; made originally by nomads of central Asia

alcohol (noun)	koumiss (noun)
a liquor or brew containing alcohol as the active agent	an alcoholic beverage made from fermented mare's milk; made originally by nomads of central Asia
any of a series of volatile hydroxyl compounds that are made from hydrocarbons by distillation