The term 'CORN STATE' refers to three states in the United States: Iowa (4 letters), KANSAS (6 letters), and TRI (3 letters). Iowa is known for its production of corn, and is the top producer of corn in the United States. KANSAS is also a major producer of corn, and is the second-largest producer of corn in the United States. TRI is an abbreviation for the state of Nebraska, which is the third-largest producer of corn in the United States.