Deuteronomy 2:20

It shall be accounted a land of Raphain, for the Raphain lived there before, and the Ammanites call them Zochommin.

(That also was accounted a land of giants: giants dwelt therein in old time; and the Ammonites call them Zamzummims;

(That also is considered a land of Rephaim. Rephaim lived there in the past, but the Ammonites call them Zamzummim,