Declension table of ?neyivas

Masculine	Singular	Dual	Plural
Nominative	neyivān	neyivāṃsau	neyivāṃsaḥ
Vocative	neyivan	neyivāṃsau	neyivāṃsaḥ
Accusative	neyivāṃsam	neyivāṃsau	neyuṣaḥ
Instrumental	neyuṣā	neyivadbhyām	neyivadbhiḥ
Dative	neyuṣe	neyivadbhyām	neyivadbhyaḥ
Ablative	neyuṣaḥ	neyivadbhyām	neyivadbhyaḥ
Genitive	neyuṣaḥ	neyuṣoḥ	neyuṣām
Locative	neyuṣi	neyuṣoḥ	neyivatsu

Compound neyivat -

Adverb -neyivas