Commonwealth of Independent States vs Tadzhikistan

Commonwealth of Independent States and Tadzhikistan both are nouns.

Word	Noun	Adjective	Verb	Adverb
Commonwealth of Independent States	Yes	No	No	No
Tadzhikistan	Yes	No	No	No

Commonwealth of Independent States (noun)	Tadzhikistan (noun)
an alliance made up of states that had been Soviet Socialist Republics in the Soviet Union prior to its dissolution in Dec 1991	a landlocked mountainous republic in southeast central Asia to the north of Afghanistan; formerly an Asian soviet