Declension table of ?kūpayiṣyat

Masculine	Singular	Dual	Plural
Nominative	kūpayiṣyan	kūpayiṣyantau	kūpayiṣyantaḥ
Vocative	kūpayiṣyan	kūpayiṣyantau	kūpayiṣyantaḥ
Accusative	kūpayiṣyantam	kūpayiṣyantau	kūpayiṣyataḥ
Instrumental	kūpayiṣyatā	kūpayiṣyadbhyām	kūpayiṣyadbhiḥ
Dative	kūpayiṣyate	kūpayiṣyadbhyām	kūpayiṣyadbhyaḥ
Ablative	kūpayiṣyataḥ	kūpayiṣyadbhyām	kūpayiṣyadbhyaḥ
Genitive	kūpayiṣyataḥ	kūpayiṣyatoḥ	kūpayiṣyatām
Locative	kūpayiṣyati	kūpayiṣyatoḥ	kūpayiṣyatsu

Compound kūpayiṣyat -

Adverb -kūpayiṣyantam