Bahrain vs Bahrein

Bahrain and Bahrein both are nouns.

Word	Noun	Adjective	Verb	Adverb
Bahrain	Yes	No	No	No
Bahrein	Yes	No	No	No

As nouns, Bahrain and Bahrein are synonyms defined as:

Bahrain and Bahrein: an island country in the Persian Gulf off the coast of Saudi Arabia; oil revenues funded progressive programs until reserves were exhausted in 1970s

Other synonyms of Bahrain include State of Bahrain.

As nouns, Bahrain and Bahrein are synonyms defined as:

Other synonyms of Bahrain include Bahrain Island, Bahrein Island.

Bahrain (noun)	Bahrein (noun)
an island country in the Persian Gulf off the coast of Saudi Arabia; oil revenues funded progressive programs until reserves were exhausted in 1970s	an island country in the Persian Gulf off the coast of Saudi Arabia; oil revenues funded progressive programs until reserves were exhausted in 1970s
an island in the Persian Gulf	an island in the Persian Gulf