CIS vs Republic of Armenia

CIS and Republic of Armenia both are nouns.

Word	Noun	Adjective	Verb	Adverb
CIS	Yes	No	No	No
Republic of Armenia	Yes	No	No	No

CIS (noun)	Republic of Armenia (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 republic in southwestern Asia; formerly an Asian soviet; modern Armenia is but a fragment of ancient Armenia which was one of the world's oldest civilizations; throughout 2500 years the Armenian people have been invaded and oppressed by their neighbors