Declension table of ?vigatatva

Neuter	Singular	Dual	Plural
Nominative	vigatatvam	vigatatve	vigatatvāni
Vocative	vigatatva	vigatatve	vigatatvāni
Accusative	vigatatvam	vigatatve	vigatatvāni
Instrumental	vigatatvena	vigatatvābhyām	vigatatvaiḥ
Dative	vigatatvāya	vigatatvābhyām	vigatatvebhyaḥ
Ablative	vigatatvāt	vigatatvābhyām	vigatatvebhyaḥ
Genitive	vigatatvasya	vigatatvayoḥ	vigatatvānām
Locative	vigatatve	vigatatvayoḥ	vigatatveṣu

Compound vigatatva -

Adverb -vigatatvam -vigatatvāt