Synonyms for Arkansas (same or very similar meaning)
WordNet sense 1 (a river that rises in the Rocky Mountains in Colorado and flows southeast through Kansas and Oklahoma and through Arkansas to become a tributary of the Mississippi River):
Arkansas River
WordNet sense 2 (a state in south central United States; one of the Confederate states during the American Civil War):
ar, Land of Opportunity
From the ODE community, based on WordNet
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