capital of France vs City of Light

capital of France and City of Light both are nouns.

Word	Noun	Adjective	Verb	Adverb
capital of France	Yes	No	No	No
City of Light	Yes	No	No	No

As nouns, capital of France and City of Light are synonyms defined as:

capital of France and City of Light: the capital and largest city of France; and international center of culture and commerce

Other synonyms of capital of France include French capital, Paris.

capital of France (noun)	City of Light (noun)
the capital and largest city of France; and international center of culture and commerce	the capital and largest city of France; and international center of culture and commerce