Lhasa vs national capital

Lhasa and national capital both are nouns.

Word	Noun	Adjective	Verb	Adverb
Lhasa	Yes	No	No	No
national capital	Yes	No	No	No

Lhasa (noun)	national capital (noun)
a breed of terrier having a long heavy coat raised in Tibet as watchdogs	the capital city of a nation
the sacred city of Lamaism; known as the Forbidden City for its former inaccessibility and hostility to strangers