Declension table of ?jaladvipa

Masculine	Singular	Dual	Plural
Nominative	jaladvipaḥ	jaladvipau	jaladvipāḥ
Vocative	jaladvipa	jaladvipau	jaladvipāḥ
Accusative	jaladvipam	jaladvipau	jaladvipān
Instrumental	jaladvipena	jaladvipābhyām	jaladvipaiḥ jaladvipebhiḥ
Dative	jaladvipāya	jaladvipābhyām	jaladvipebhyaḥ
Ablative	jaladvipāt	jaladvipābhyām	jaladvipebhyaḥ
Genitive	jaladvipasya	jaladvipayoḥ	jaladvipānām
Locative	jaladvipe	jaladvipayoḥ	jaladvipeṣu

Compound jaladvipa -

Adverb -jaladvipam -jaladvipāt