Great Wall of China vs Chinese Wall

Great Wall of China and Chinese Wall both are nouns.

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

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

Great Wall of China 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 of China include Great Wall.

Great Wall of China (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