Great Divide vs Continental Divide of the Americas

Great Divide and Continental Divide of the Americas both are nouns.

Word	Noun	Adjective	Verb	Adverb
Great Divide	Yes	No	No	No
Continental Divide of the Americas	Yes	No	No	No

As nouns, Great Divide and Continental Divide of the Americas are synonyms defined as:

Great Divide and Continental Divide of the Americas: that part of the continental divide formed by the Rocky Mountains in the United States

Great Divide (noun)	Continental Divide of the Americas (noun)
that part of the continental divide formed by the Rocky Mountains in the United States	that part of the continental divide formed by the Rocky Mountains in the United States