Ukrayina vs CIS

Ukrayina and CIS both are nouns.

Word	Noun	Adjective	Verb	Adverb
Ukrayina	Yes	No	No	No
CIS	Yes	No	No	No

Ukrayina (noun)	CIS (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