Asian nation vs Republic of Tajikistan

Asian nation and Republic of Tajikistan both are nouns.

Word	Noun	Adjective	Verb	Adverb
Asian nation	Yes	No	No	No
Republic of Tajikistan	Yes	No	No	No

Asian nation (noun)	Republic of Tajikistan (noun)
any one of the nations occupying the Asian continent	a landlocked mountainous republic in southeast central Asia to the north of Afghanistan; formerly an Asian soviet