Palau vs Belau

Palau and Belau both are nouns.

Word	Noun	Adjective	Verb	Adverb
Palau	Yes	No	No	No
Belau	Yes	No	No	No

As nouns, Palau and Belau are synonyms defined as:

Palau and Belau: a chain of more than 200 islands about 400 miles long in the western central Pacific Ocean

Other synonyms of Palau include Palau Islands, Pelew.

Palau (noun)	Belau (noun)
a republic in the western central Pacific Ocean in association with the United States	a chain of more than 200 islands about 400 miles long in the western central Pacific Ocean
a chain of more than 200 islands about 400 miles long in the western central Pacific Ocean