Declension table of ?bhavītva

Neuter	Singular	Dual	Plural
Nominative	bhavītvam	bhavītve	bhavītvāni
Vocative	bhavītva	bhavītve	bhavītvāni
Accusative	bhavītvam	bhavītve	bhavītvāni
Instrumental	bhavītvena	bhavītvābhyām	bhavītvaiḥ
Dative	bhavītvāya	bhavītvābhyām	bhavītvebhyaḥ
Ablative	bhavītvāt	bhavītvābhyām	bhavītvebhyaḥ
Genitive	bhavītvasya	bhavītvayoḥ	bhavītvānām
Locative	bhavītve	bhavītvayoḥ	bhavītveṣu

Compound bhavītva -

Adverb -bhavītvam -bhavītvāt