Declension table of ?nininvvas

Masculine	Singular	Dual	Plural
Nominative	nininvvān	nininvvāṃsau	nininvvāṃsaḥ
Vocative	nininvvan	nininvvāṃsau	nininvvāṃsaḥ
Accusative	nininvvāṃsam	nininvvāṃsau	nininvuṣaḥ
Instrumental	nininvuṣā	nininvvadbhyām	nininvvadbhiḥ
Dative	nininvuṣe	nininvvadbhyām	nininvvadbhyaḥ
Ablative	nininvuṣaḥ	nininvvadbhyām	nininvvadbhyaḥ
Genitive	nininvuṣaḥ	nininvuṣoḥ	nininvuṣām
Locative	nininvuṣi	nininvuṣoḥ	nininvvatsu

Compound nininvvat -

Adverb -nininvvas