capital of Georgia vs Tbilisi

capital of Georgia and Tbilisi both are nouns.

Word	Noun	Adjective	Verb	Adverb
capital of Georgia	Yes	No	No	No
Tbilisi	Yes	No	No	No

As nouns, capital of Georgia and Tbilisi are synonyms defined as:

capital of Georgia and Tbilisi: the capital and largest city of Georgia on the Kura river

Other synonyms of capital of Georgia include Tiflis.

capital of Georgia (noun)	Tbilisi (noun)
the capital and largest city of Georgia on the Kura river	the capital and largest city of Georgia on the Kura river
state capital and largest city of Georgia; chief commercial center of the southeastern United States; was plundered and burned by Sherman's army during the American Civil War