Great Wall vs Chinese Wall

Great Wall and Chinese Wall both are nouns.

Word	Noun	Adjective	Verb	Adverb
Great Wall	Yes	No	No	No
Chinese Wall	Yes	No	No	No

As nouns, Great Wall and Chinese Wall are synonyms defined as:

Great Wall and Chinese Wall: a fortification 1,500 miles long built across northern China in the 3rd century BC; it averages 6 meters in width

Other synonyms of Great Wall include Great Wall of China.

Great Wall (noun)	Chinese Wall (noun)
a fortification 1,500 miles long built across northern China in the 3rd century BC; it averages 6 meters in width	a fortification 1,500 miles long built across northern China in the 3rd century BC; it averages 6 meters in width