Declension table of ?kūpāda

Masculine	Singular	Dual	Plural
Nominative	kūpādaḥ	kūpādau	kūpādāḥ
Vocative	kūpāda	kūpādau	kūpādāḥ
Accusative	kūpādam	kūpādau	kūpādān
Instrumental	kūpādena	kūpādābhyām	kūpādaiḥ kūpādebhiḥ
Dative	kūpādāya	kūpādābhyām	kūpādebhyaḥ
Ablative	kūpādāt	kūpādābhyām	kūpādebhyaḥ
Genitive	kūpādasya	kūpādayoḥ	kūpādānām
Locative	kūpāde	kūpādayoḥ	kūpādeṣu

Compound kūpāda -

Adverb -kūpādam -kūpādāt