Declension table of ?vapiṣyat

Masculine	Singular	Dual	Plural
Nominative	vapiṣyan	vapiṣyantau	vapiṣyantaḥ
Vocative	vapiṣyan	vapiṣyantau	vapiṣyantaḥ
Accusative	vapiṣyantam	vapiṣyantau	vapiṣyataḥ
Instrumental	vapiṣyatā	vapiṣyadbhyām	vapiṣyadbhiḥ
Dative	vapiṣyate	vapiṣyadbhyām	vapiṣyadbhyaḥ
Ablative	vapiṣyataḥ	vapiṣyadbhyām	vapiṣyadbhyaḥ
Genitive	vapiṣyataḥ	vapiṣyatoḥ	vapiṣyatām
Locative	vapiṣyati	vapiṣyatoḥ	vapiṣyatsu

Compound vapiṣyat -

Adverb -vapiṣyantam