Ozarks vs Ozark Plateau

Ozarks and Ozark Plateau both are nouns.

Word	Noun	Adjective	Verb	Adverb
Ozarks	Yes	No	No	No
Ozark Plateau	Yes	No	No	No

As nouns, Ozarks and Ozark Plateau are synonyms defined as:

Ozarks and Ozark Plateau: an area of low mountains in northwestern Arkansas and southeastern Missouri and northeastern Oklahoma

Other synonyms of Ozarks include Ozark Mountains.

Ozarks (noun)	Ozark Plateau (noun)
an area of low mountains in northwestern Arkansas and southeastern Missouri and northeastern Oklahoma	an area of low mountains in northwestern Arkansas and southeastern Missouri and northeastern Oklahoma