Declension table of ?nantva

Neuter	Singular	Dual	Plural
Nominative	nantvam	nantve	nantvāni
Vocative	nantva	nantve	nantvāni
Accusative	nantvam	nantve	nantvāni
Instrumental	nantvena	nantvābhyām	nantvaiḥ
Dative	nantvāya	nantvābhyām	nantvebhyaḥ
Ablative	nantvāt	nantvābhyām	nantvebhyaḥ
Genitive	nantvasya	nantvayoḥ	nantvānām
Locative	nantve	nantvayoḥ	nantveṣu

Compound nantva -

Adverb -nantvam -nantvāt