Hessian dialects
Linguistic boundaries are the isoglosses ich (Hessian) / ik (Low German) as well as machen (Hessian) / maken (Low German) northward to Low Saxon and Westphalian, Pund (Hessian) / Fund (Thuringian) eastward to Thuringian, Pund (Hessian) / Pfund (East Franconian) as well as Appel (Hessian) / Apfel (East Franconian) eastward to East Franconian, was (Hessian) / wat (Ripuarian/Moselle Franconian) westward to Moselle Franconian and fest (Hessian) / fescht (Palatine) to the Rhine Franconian/Palatine/East Franconian mixed area southward. As can be seen from the bounding isoglosses, Hessian is subject to the High German sound shift with respect to t > s and k > ch/h, but unlike East Central German, it does not show the p > f transition.