Declension table of ?jaladvīpa

Masculine	Singular	Dual	Plural
Nominative	jaladvīpaḥ	jaladvīpau	jaladvīpāḥ
Vocative	jaladvīpa	jaladvīpau	jaladvīpāḥ
Accusative	jaladvīpam	jaladvīpau	jaladvīpān
Instrumental	jaladvīpena	jaladvīpābhyām	jaladvīpaiḥ jaladvīpebhiḥ
Dative	jaladvīpāya	jaladvīpābhyām	jaladvīpebhyaḥ
Ablative	jaladvīpāt	jaladvīpābhyām	jaladvīpebhyaḥ
Genitive	jaladvīpasya	jaladvīpayoḥ	jaladvīpānām
Locative	jaladvīpe	jaladvīpayoḥ	jaladvīpeṣu

Compound jaladvīpa -

Adverb -jaladvīpam -jaladvīpāt