Republic of Suriname vs Surinam

Republic of Suriname and Surinam both are nouns.

Word	Noun	Adjective	Verb	Adverb
Republic of Suriname	Yes	No	No	No
Surinam	Yes	No	No	No

As nouns, Republic of Suriname and Surinam are synonyms defined as:

Republic of Suriname and Surinam: a republic in northeastern South America on the Atlantic; achieved independence from the Netherlands in 1975

Other synonyms of Republic of Suriname include Dutch Guiana, Netherlands Guiana, Suriname.

Republic of Suriname (noun)	Surinam (noun)
a republic in northeastern South America on the Atlantic; achieved independence from the Netherlands in 1975	a republic in northeastern South America on the Atlantic; achieved independence from the Netherlands in 1975