Adelie Coast vs Terre Adelie

Adelie Coast and Terre Adelie both are nouns.

Word	Noun	Adjective	Verb	Adverb
Adelie Coast	Yes	No	No	No
Terre Adelie	Yes	No	No	No

As nouns, Adelie Coast and Terre Adelie are synonyms defined as:

Adelie Coast and Terre Adelie: a costal region of Antarctica to the south of Australia; noted for its large colonies of penguins

Other synonyms of Adelie Coast include Adelie Land.

Adelie Coast (noun)	Terre Adelie (noun)
a costal region of Antarctica to the south of Australia; noted for its large colonies of penguins	a costal region of Antarctica to the south of Australia; noted for its large colonies of penguins