Declension table of ?oṇiṣyat

Masculine	Singular	Dual	Plural
Nominative	oṇiṣyan	oṇiṣyantau	oṇiṣyantaḥ
Vocative	oṇiṣyan	oṇiṣyantau	oṇiṣyantaḥ
Accusative	oṇiṣyantam	oṇiṣyantau	oṇiṣyataḥ
Instrumental	oṇiṣyatā	oṇiṣyadbhyām	oṇiṣyadbhiḥ
Dative	oṇiṣyate	oṇiṣyadbhyām	oṇiṣyadbhyaḥ
Ablative	oṇiṣyataḥ	oṇiṣyadbhyām	oṇiṣyadbhyaḥ
Genitive	oṇiṣyataḥ	oṇiṣyatoḥ	oṇiṣyatām
Locative	oṇiṣyati	oṇiṣyatoḥ	oṇiṣyatsu

Compound oṇiṣyat -

Adverb -oṇiṣyantam