Here is a visualisation comparing the "ingen" towns of Baden-Württemberg and the "ing" towns of Bavaria: http://ssz.fr/places/?de#ingen$/ing$/ http://ssz.fr/pl

Here is a visualisation comparing the "ingen" towns of Baden-Württemberg and the "ing" towns of Bavaria: http://ssz.fr/places/?de#ingen$/ing$/ http://ssz.fr/places/?de#ingen$/ing$/