saki vs rice beer

saki and rice beer both are nouns.

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

As nouns, saki and rice beer are synonyms defined as:

saki and rice beer: Japanese alcoholic beverage made from fermented rice; usually served hot

Other synonyms of saki include sake.

saki (noun)	rice beer (noun)
small arboreal monkey of tropical South America with long hair and bushy nonprehensile tail	Japanese alcoholic beverage made from fermented rice; usually served hot
Japanese alcoholic beverage made from fermented rice; usually served hot