capital of Estonia vs Tallin

capital of Estonia and Tallin both are nouns.

Word	Noun	Adjective	Verb	Adverb
capital of Estonia	Yes	No	No	No
Tallin	Yes	No	No	No

As nouns, capital of Estonia and Tallin are synonyms defined as:

capital of Estonia and Tallin: a port city on the Gulf of Finland that is the capital and largest city of Estonia

Other synonyms of capital of Estonia include Tallinn.

capital of Estonia (noun)	Tallin (noun)
a port city on the Gulf of Finland that is the capital and largest city of Estonia	a port city on the Gulf of Finland that is the capital and largest city of Estonia