Ukraine vs Commonwealth of Independent States

Ukraine and Commonwealth of Independent States both are nouns.

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

Ukraine (noun)	Commonwealth of Independent States (noun)
a republic in southeastern Europe; formerly a European soviet; the center of the original Russian state which came into existence in the ninth century	an alliance made up of states that had been Soviet Socialist Republics in the Soviet Union prior to its dissolution in Dec 1991