capital of France vs French capital

capital of France and French capital both are nouns.

Word	Noun	Adjective	Verb	Adverb
capital of France	Yes	No	No	No
French capital	Yes	No	No	No

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

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

Other synonyms of capital of France include City of Light, Paris.

capital of France (noun)	French capital (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