capital of Qatar vs Doha

capital of Qatar and Doha both are nouns.

Word	Noun	Adjective	Verb	Adverb
capital of Qatar	Yes	No	No	No
Doha	Yes	No	No	No

As nouns, capital of Qatar and Doha are synonyms defined as:

Other synonyms of capital of Qatar include Bida, El Beda.

capital of Qatar (noun)	Doha (noun)
the capital and chief port of Qatar	the capital and chief port of Qatar