Ukraine vs Ukrayina

Ukraine and Ukrayina both are nouns.

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

As nouns, Ukraine and Ukrayina are synonyms defined as:

Ukraine and Ukrayina: a republic in southeastern Europe; formerly a European soviet; the center of the original Russian state which came into existence in the ninth century

Ukraine (noun)	Ukrayina (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	a republic in southeastern Europe; formerly a European soviet; the center of the original Russian state which came into existence in the ninth century