Belau vs Pelew

Belau and Pelew both are nouns.

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

As nouns, Belau and Pelew are synonyms defined as:

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

Other synonyms of Belau include Palau, Palau Islands.

Belau (noun)	Pelew (noun)
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