Declension table of ?vandhyātva

Neuter	Singular	Dual	Plural
Nominative	vandhyātvam	vandhyātve	vandhyātvāni
Vocative	vandhyātva	vandhyātve	vandhyātvāni
Accusative	vandhyātvam	vandhyātve	vandhyātvāni
Instrumental	vandhyātvena	vandhyātvābhyām	vandhyātvaiḥ
Dative	vandhyātvāya	vandhyātvābhyām	vandhyātvebhyaḥ
Ablative	vandhyātvāt	vandhyātvābhyām	vandhyātvebhyaḥ
Genitive	vandhyātvasya	vandhyātvayoḥ	vandhyātvānām
Locative	vandhyātve	vandhyātvayoḥ	vandhyātveṣu

Compound vandhyātva -

Adverb -vandhyātvam -vandhyātvāt