wild ox vs Bos banteng

wild ox and Bos banteng both are nouns.

Word	Noun	Adjective	Verb	Adverb
wild ox	Yes	No	No	No
Bos banteng	Yes	No	No	No

As nouns, Bos banteng is a hyponym of wild ox; that is, Bos banteng is a word with a more specific, narrower meaning than wild ox:

wild ox: any of various wild bovines especially of the genera Bos or closely related Bibos
Bos banteng: wild ox of the Malay Archipelago

Other hyponyms of wild ox include aurochs, Bos primigenius, urus, Bos grunniens, yak, banteng, banting, tsine, Asian wild ox.

wild ox (noun)	Bos banteng (noun)
any of various wild bovines especially of the genera Bos or closely related Bibos	wild ox of the Malay Archipelago