Saint Christopher-Nevis vs St. Christopher-Nevis

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

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

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

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

Saint Christopher-Nevis (noun)	St. 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