'Dialect' in the Bible

Eliakim, Shebna, and Joah said to the chief adviser, "Speak to your servants in Aramaic, for we understand it. Don't speak with us in the Judahite dialect in the hearing of the people who are on the wall."

The chief adviser then stood there and called out loudly in the Judahite dialect, "Listen to the message of the great king, the king of Assyria.