Ankara vs Turkish capital

Ankara and Turkish capital both are nouns.

Word	Noun	Adjective	Verb	Adverb
Ankara	Yes	No	No	No
Turkish capital	Yes	No	No	No

As nouns, Ankara and Turkish capital are synonyms defined as:

Ankara and Turkish capital: the capital of Turkey; located in west-central Turkey; it was formerly known as Angora and is the home of Angora goats

Other synonyms of Ankara include Angora, capital of Turkey.

Ankara (noun)	Turkish capital (noun)
the capital of Turkey; located in west-central Turkey; it was formerly known as Angora and is the home of Angora goats	the capital of Turkey; located in west-central Turkey; it was formerly known as Angora and is the home of Angora goats