French Republic vs France

French Republic and France both are nouns.

Word	Noun	Adjective	Verb	Adverb
French Republic	Yes	No	No	No
France	Yes	No	No	No

As nouns, French Republic and France are synonyms defined as:

French Republic and France: a republic in western Europe; the largest country wholly in Europe

French Republic (noun)	France (noun)
a republic in western Europe; the largest country wholly in Europe	a republic in western Europe; the largest country wholly in Europe
	French writer of sophisticated novels and short stories (1844-1924)