Anguilla: noun: Anguillan(s)
adjective: Anguillan
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