rice beer vs inebriant

rice beer and inebriant both are nouns.

Word	Noun	Adjective	Verb	Adverb
rice beer	Yes	No	No	No
inebriant	Yes	No	No	No

As nouns, inebriant is a hypernym of rice beer; that is, inebriant is a word with a broader meaning than rice beer:

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

Other hypernyms of rice beer include alcohol, alcoholic beverage, alcoholic drink, intoxicant.

rice beer (noun)	inebriant (noun)
Japanese alcoholic beverage made from fermented rice; usually served hot	a liquor or brew containing alcohol as the active agent