St. Kitts and Nevis vs Saint Christopher-Nevis

St. Kitts and Nevis and Saint Christopher-Nevis both are nouns.

Word	Noun	Adjective	Verb	Adverb
St. Kitts and Nevis	Yes	No	No	No
Saint Christopher-Nevis	Yes	No	No	No

As nouns, St. Kitts and Nevis and Saint Christopher-Nevis are synonyms defined as:

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

St. Kitts and Nevis (noun)	Saint Christopher-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