Antigua and Barbuda
noun: Antiguan(s), Barbudan(s)
adjective: Antiguan, Barbudan

Argentina
noun: Argentine(s)
adjective: Argentine

Armenia
noun: Armenian(s)
adjective: Armenian

Aruba
noun: Aruban(s)
adjective: Aruban; Dutch

Australia
noun: Australian(s)
adjective: Australian

Austria
noun: Austrian(s)
adjective: Austrian

Azerbaijan
noun: Azerbaijani(s)
adjective: Azerbaijani

Bahamas, The
noun: Bahamian(s)
adjective: Bahamian

Bahrain
noun: Bahraini(s)
adjective: Bahraini

Bangladesh
noun: Bangladeshi(s)
adjective: Bangladeshi