Frankfort vs capital of Kentucky

Frankfort and capital of Kentucky both are nouns.

Word	Noun	Adjective	Verb	Adverb
Frankfort	Yes	No	No	No
capital of Kentucky	Yes	No	No	No

As nouns, Frankfort and capital of Kentucky are synonyms defined as:

Frankfort and capital of Kentucky: the capital of Kentucky; located in northern Kentucky

Frankfort (noun)	capital of Kentucky (noun)
a German city; an industrial and commercial and financial center	the capital of Kentucky; located in northern Kentucky
the capital of Kentucky; located in northern Kentucky