Declension table of ?karadvīpa

Masculine	Singular	Dual	Plural
Nominative	karadvīpaḥ	karadvīpau	karadvīpāḥ
Vocative	karadvīpa	karadvīpau	karadvīpāḥ
Accusative	karadvīpam	karadvīpau	karadvīpān
Instrumental	karadvīpena	karadvīpābhyām	karadvīpaiḥ karadvīpebhiḥ
Dative	karadvīpāya	karadvīpābhyām	karadvīpebhyaḥ
Ablative	karadvīpāt	karadvīpābhyām	karadvīpebhyaḥ
Genitive	karadvīpasya	karadvīpayoḥ	karadvīpānām
Locative	karadvīpe	karadvīpayoḥ	karadvīpeṣu

Compound karadvīpa -

Adverb -karadvīpam -karadvīpāt