Declension table of ?madadvipa

Masculine	Singular	Dual	Plural
Nominative	madadvipaḥ	madadvipau	madadvipāḥ
Vocative	madadvipa	madadvipau	madadvipāḥ
Accusative	madadvipam	madadvipau	madadvipān
Instrumental	madadvipena	madadvipābhyām	madadvipaiḥ madadvipebhiḥ
Dative	madadvipāya	madadvipābhyām	madadvipebhyaḥ
Ablative	madadvipāt	madadvipābhyām	madadvipebhyaḥ
Genitive	madadvipasya	madadvipayoḥ	madadvipānām
Locative	madadvipe	madadvipayoḥ	madadvipeṣu

Compound madadvipa -

Adverb -madadvipam -madadvipāt