Declension table of ?padatva

Neuter	Singular	Dual	Plural
Nominative	padatvam	padatve	padatvāni
Vocative	padatva	padatve	padatvāni
Accusative	padatvam	padatve	padatvāni
Instrumental	padatvena	padatvābhyām	padatvaiḥ
Dative	padatvāya	padatvābhyām	padatvebhyaḥ
Ablative	padatvāt	padatvābhyām	padatvebhyaḥ
Genitive	padatvasya	padatvayoḥ	padatvānām
Locative	padatve	padatvayoḥ	padatveṣu

Compound padatva -

Adverb -padatvam -padatvāt