Declension table of ?nīviṣyat

Masculine	Singular	Dual	Plural
Nominative	nīviṣyan	nīviṣyantau	nīviṣyantaḥ
Vocative	nīviṣyan	nīviṣyantau	nīviṣyantaḥ
Accusative	nīviṣyantam	nīviṣyantau	nīviṣyataḥ
Instrumental	nīviṣyatā	nīviṣyadbhyām	nīviṣyadbhiḥ
Dative	nīviṣyate	nīviṣyadbhyām	nīviṣyadbhyaḥ
Ablative	nīviṣyataḥ	nīviṣyadbhyām	nīviṣyadbhyaḥ
Genitive	nīviṣyataḥ	nīviṣyatoḥ	nīviṣyatām
Locative	nīviṣyati	nīviṣyatoḥ	nīviṣyatsu

Compound nīviṣyat -

Adverb -nīviṣyantam