Samoa vs Samoa i Sisifo

Samoa and Samoa i Sisifo both are nouns.

Word	Noun	Adjective	Verb	Adverb
Samoa	Yes	No	No	No
Samoa i Sisifo	Yes	No	No	No

As nouns, Samoa and Samoa i Sisifo are synonyms defined as:

Samoa and Samoa i Sisifo: a constitutional monarchy on the western part of the islands of Samoa in the South Pacific

Other synonyms of Samoa include Independent State of Samoa, Western Samoa.

Samoa (noun)	Samoa i Sisifo (noun)
a constitutional monarchy on the western part of the islands of Samoa in the South Pacific	a constitutional monarchy on the western part of the islands of Samoa in the South Pacific
a group of volcanic islands in the South Pacific midway between Hawaii and Australia; its climate and scenery and Polynesian culture make it a popular tourist stop