Declension table of ?kūṭasthadīpa

Masculine	Singular	Dual	Plural
Nominative	kūṭasthadīpaḥ	kūṭasthadīpau	kūṭasthadīpāḥ
Vocative	kūṭasthadīpa	kūṭasthadīpau	kūṭasthadīpāḥ
Accusative	kūṭasthadīpam	kūṭasthadīpau	kūṭasthadīpān
Instrumental	kūṭasthadīpena	kūṭasthadīpābhyām	kūṭasthadīpaiḥ kūṭasthadīpebhiḥ
Dative	kūṭasthadīpāya	kūṭasthadīpābhyām	kūṭasthadīpebhyaḥ
Ablative	kūṭasthadīpāt	kūṭasthadīpābhyām	kūṭasthadīpebhyaḥ
Genitive	kūṭasthadīpasya	kūṭasthadīpayoḥ	kūṭasthadīpānām
Locative	kūṭasthadīpe	kūṭasthadīpayoḥ	kūṭasthadīpeṣu

Compound kūṭasthadīpa -

Adverb -kūṭasthadīpam -kūṭasthadīpāt