Declension table of ?vyavetatva

Neuter	Singular	Dual	Plural
Nominative	vyavetatvam	vyavetatve	vyavetatvāni
Vocative	vyavetatva	vyavetatve	vyavetatvāni
Accusative	vyavetatvam	vyavetatve	vyavetatvāni
Instrumental	vyavetatvena	vyavetatvābhyām	vyavetatvaiḥ
Dative	vyavetatvāya	vyavetatvābhyām	vyavetatvebhyaḥ
Ablative	vyavetatvāt	vyavetatvābhyām	vyavetatvebhyaḥ
Genitive	vyavetatvasya	vyavetatvayoḥ	vyavetatvānām
Locative	vyavetatve	vyavetatvayoḥ	vyavetatveṣu

Compound vyavetatva -

Adverb -vyavetatvam -vyavetatvāt