Toponymy
The Joret line affects toponyms in Normandy and Picardy ; for example : Cambrai (corresponding to Chambray), Camembert, Carentan (corresponding to Charenton), Caen (Wace gallicized as Chaem).
Norman place-names derived from the Gallo-Romance word Campaniacum show initial C- in some cases (Campigny, north) and initial Ch- in others (Champigny-la-Futelaye, south).
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