gemsbuck vs Oryx gazella

gemsbuck and Oryx gazella both are nouns.

Word	Noun	Adjective	Verb	Adverb
gemsbuck	Yes	No	No	No
Oryx gazella	Yes	No	No	No

As nouns, gemsbuck and Oryx gazella are synonyms defined as:

gemsbuck and Oryx gazella: large South African oryx with a broad black band along its flanks

Other synonyms of gemsbuck include gemsbok.

gemsbuck (noun)	Oryx gazella (noun)
large South African oryx with a broad black band along its flanks	large South African oryx with a broad black band along its flanks