Declension table of ?nivapta

Masculine	Singular	Dual	Plural
Nominative	nivaptaḥ	nivaptau	nivaptāḥ
Vocative	nivapta	nivaptau	nivaptāḥ
Accusative	nivaptam	nivaptau	nivaptān
Instrumental	nivaptena	nivaptābhyām	nivaptaiḥ nivaptebhiḥ
Dative	nivaptāya	nivaptābhyām	nivaptebhyaḥ
Ablative	nivaptāt	nivaptābhyām	nivaptebhyaḥ
Genitive	nivaptasya	nivaptayoḥ	nivaptānām
Locative	nivapte	nivaptayoḥ	nivapteṣu

Compound nivapta -

Adverb -nivaptam -nivaptāt