Panamanian capital vs Panama City

Panamanian capital and Panama City both are nouns.

Word	Noun	Adjective	Verb	Adverb
Panamanian capital	Yes	No	No	No
Panama City	Yes	No	No	No

As nouns, Panamanian capital and Panama City are synonyms defined as:

Panamanian capital and Panama City: the capital and largest city of Panama

Other synonyms of Panamanian capital include capital of Panama.

Panamanian capital (noun)	Panama City (noun)
the capital and largest city of Panama	the capital and largest city of Panama
	a resort and fishing town on the Gulf of Mexico in northwest Florida