Tadzhikistan vs Commonwealth of Independent States

Tadzhikistan and Commonwealth of Independent States both are nouns.

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

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