balas ruby vs balas

balas ruby and balas both are nouns.

Word	Noun	Adjective	Verb	Adverb
balas ruby	Yes	No	No	No
balas	Yes	No	No	No

As nouns, balas ruby and balas are synonyms defined as:

balas ruby (noun)	balas (noun)
a pale rose-colored variety of the ruby spinel	a pale rose-colored variety of the ruby spinel