Serengeti vs Serengeti Plain

Serengeti and Serengeti Plain both are nouns.

Word	Noun	Adjective	Verb	Adverb
Serengeti	Yes	No	No	No
Serengeti Plain	Yes	No	No	No

As nouns, Serengeti and Serengeti Plain are synonyms defined as:

Serengeti and Serengeti Plain: a vast plain in Tanzania to the west of the Great Rift Valley known for its wildlife

Serengeti (noun)	Serengeti Plain (noun)
a vast plain in Tanzania to the west of the Great Rift Valley known for its wildlife	a vast plain in Tanzania to the west of the Great Rift Valley known for its wildlife