Declension table of ?vipulatva

Neuter	Singular	Dual	Plural
Nominative	vipulatvam	vipulatve	vipulatvāni
Vocative	vipulatva	vipulatve	vipulatvāni
Accusative	vipulatvam	vipulatve	vipulatvāni
Instrumental	vipulatvena	vipulatvābhyām	vipulatvaiḥ
Dative	vipulatvāya	vipulatvābhyām	vipulatvebhyaḥ
Ablative	vipulatvāt	vipulatvābhyām	vipulatvebhyaḥ
Genitive	vipulatvasya	vipulatvayoḥ	vipulatvānām
Locative	vipulatve	vipulatvayoḥ	vipulatveṣu

Compound vipulatva -

Adverb -vipulatvam -vipulatvāt