The "Sooner State" is a popular nickname for Oklahoma, but there are many other synonyms that can be used to describe this state. For example, "The Okie State" is another commonly used moniker that is derived from the state's residents being called "Okies." Additionally, some people refer to Oklahoma as the "Land of the Red Man" due to the large number of Native American tribes that call the state home. Other synonyms for Oklahoma include the "Oil Capital of the World" and the "Wheat State" due to the state's significant oil and agricultural production. Finally, some people simply refer to Oklahoma as "OK" due to the state's two-letter postal abbreviation.