Lesser Sunda Islands vs Nusa Tenggara

Lesser Sunda Islands and Nusa Tenggara both are nouns.

Word	Noun	Adjective	Verb	Adverb
Lesser Sunda Islands	Yes	No	No	No
Nusa Tenggara	Yes	No	No	No

As nouns, Lesser Sunda Islands and Nusa Tenggara are synonyms defined as:

Lesser Sunda Islands and Nusa Tenggara: a chain of islands forming a province of Indonesia to the east of Java; includes Bali and Timor

Lesser Sunda Islands (noun)	Nusa Tenggara (noun)
a chain of islands forming a province of Indonesia to the east of Java; includes Bali and Timor	a chain of islands forming a province of Indonesia to the east of Java; includes Bali and Timor