Eastern Samoa vs AS

Eastern Samoa and AS both are nouns.

Word	Noun	Adjective	Verb	Adverb
Eastern Samoa	Yes	No	No	No
AS	Yes	No	No	No

As nouns, Eastern Samoa and AS are synonyms defined as:

Eastern Samoa and AS: a United States territory on the eastern part of the island of Samoa

Other synonyms of Eastern Samoa include American Samoa.

Eastern Samoa (noun)	AS (noun)
a United States territory on the eastern part of the island of Samoa	a United States territory on the eastern part of the island of Samoa