Declension table of ?nininvvas

Neuter	Singular	Dual	Plural
Nominative	nininvvat	nininvuṣī	nininvvāṃsi
Vocative	nininvvat	nininvuṣī	nininvvāṃsi
Accusative	nininvvat	nininvuṣī	nininvvāṃsi
Instrumental	nininvuṣā	nininvvadbhyām	nininvvadbhiḥ
Dative	nininvuṣe	nininvvadbhyām	nininvvadbhyaḥ
Ablative	nininvuṣaḥ	nininvvadbhyām	nininvvadbhyaḥ
Genitive	nininvuṣaḥ	nininvuṣoḥ	nininvuṣām
Locative	nininvuṣi	nininvuṣoḥ	nininvvatsu

Compound nininvvat -

Adverb -nininvvat