Serengeti Plain vs Serengeti

Serengeti Plain and Serengeti both are nouns.

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

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

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

Serengeti Plain (noun)	Serengeti (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