The Geographical Dictionary of Ancient and Mediaeval India c3.1

c3.1

Adri is changed into ar, as Gopâdri, Goaliar (Gwaliar); Charaṇâdri, Chunar. Bhukta is changed into hut, as Tīrabhukta, Tīrhut. Bhukti is changed into huti, as Jejâkabhukti, Jejahuti. Dhâtugarbha is changèd into
(a) Dhapa as Śila-dhâtugarbha, Śila-dhâpa.
(b) Dipa, as Śila-dhâpa, Śila-dipa.
(c) Diâ, as Veṭha-dhâtugarbha (=Veṭhadhâpa=Veṭhadipa), Beṭha-diâ.
(d) îâ=Beṭhiâ. Dvipa (pronounced Dipa) is changed into
(1) diâ, as Navadvipa, Nadiâ.
(2) n, as Kaṭadvipa, Kâṭwâ. K is changed into 1 Ayuktasyânas Mudgagiri, Munger. Kolagiri, Koḍagu (Koorg).