St. Thomas and Principe vs Atlantic Ocean

St. Thomas and Principe and Atlantic Ocean both are nouns.

Word	Noun	Adjective	Verb	Adverb
St. Thomas and Principe	Yes	No	No	No
Atlantic Ocean	Yes	No	No	No

St. Thomas and Principe (noun)	Atlantic Ocean (noun)
island nation in the South Atlantic off the west coast of Africa; achieved independence from Portugal in 1975; has enormous offshore oil reserves	the 2nd largest ocean; separates North and South America on the west from Europe and Africa on the east