Pongo pygmaeus vs orang

Pongo pygmaeus and orang both are nouns.

Word	Noun	Adjective	Verb	Adverb
Pongo pygmaeus	Yes	No	No	No
orang	Yes	No	No	No

As nouns, Pongo pygmaeus and orang are synonyms defined as:

Pongo pygmaeus and orang: large long-armed ape of Borneo and Sumatra having arboreal habits

Other synonyms of Pongo pygmaeus include orangutan, orangutang.

Pongo pygmaeus (noun)	orang (noun)
large long-armed ape of Borneo and Sumatra having arboreal habits	large long-armed ape of Borneo and Sumatra having arboreal habits