Federation of Saint Kitts and Nevis vs Saint Kitts and Nevis

Federation of Saint Kitts and Nevis and Saint Kitts and Nevis both are nouns.

Word	Noun	Adjective	Verb	Adverb
Federation of Saint Kitts and Nevis	Yes	No	No	No
Saint Kitts and Nevis	Yes	No	No	No

As nouns, Federation of Saint Kitts and Nevis and Saint Kitts and Nevis are synonyms defined as:

Federation of Saint Kitts and Nevis and Saint Kitts and Nevis: a country on several of the Leeward Islands; located to the east southeast of Puerto Rico; achieved independence from the United Kingdom in 1983

Other synonyms of Federation of Saint Kitts and Nevis include Saint Christopher-Nevis, St. Christopher-Nevis, St. Kitts and Nevis.

Federation of Saint Kitts and Nevis (noun)	Saint Kitts and Nevis (noun)
a country on several of the Leeward Islands; located to the east southeast of Puerto Rico; achieved independence from the United Kingdom in 1983	a country on several of the Leeward Islands; located to the east southeast of Puerto Rico; achieved independence from the United Kingdom in 1983