Declension table of ?vibhāvatva

Neuter	Singular	Dual	Plural
Nominative	vibhāvatvam	vibhāvatve	vibhāvatvāni
Vocative	vibhāvatva	vibhāvatve	vibhāvatvāni
Accusative	vibhāvatvam	vibhāvatve	vibhāvatvāni
Instrumental	vibhāvatvena	vibhāvatvābhyām	vibhāvatvaiḥ
Dative	vibhāvatvāya	vibhāvatvābhyām	vibhāvatvebhyaḥ
Ablative	vibhāvatvāt	vibhāvatvābhyām	vibhāvatvebhyaḥ
Genitive	vibhāvatvasya	vibhāvatvayoḥ	vibhāvatvānām
Locative	vibhāvatve	vibhāvatvayoḥ	vibhāvatveṣu

Compound vibhāvatva -

Adverb -vibhāvatvam -vibhāvatvāt