Commonwealth of Independent States vs Russian Federation

Commonwealth of Independent States and Russian Federation both are nouns.

Word	Noun	Adjective	Verb	Adverb
Commonwealth of Independent States	Yes	No	No	No
Russian Federation	Yes	No	No	No

Commonwealth of Independent States (noun)	Russian Federation (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 federation in northeastern Europe and northern Asia; formerly Soviet Russia; since 1991 an independent state