Palau vs Pelew

Palau and Pelew both are nouns.

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

As nouns, Palau and Pelew are synonyms defined as:

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

Other synonyms of Palau include Belau, Palau Islands.

Palau (noun)	Pelew (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