Declension table of ?viśvabhava

Neuter	Singular	Dual	Plural
Nominative	viśvabhavam	viśvabhave	viśvabhavāni
Vocative	viśvabhava	viśvabhave	viśvabhavāni
Accusative	viśvabhavam	viśvabhave	viśvabhavāni
Instrumental	viśvabhavena	viśvabhavābhyām	viśvabhavaiḥ
Dative	viśvabhavāya	viśvabhavābhyām	viśvabhavebhyaḥ
Ablative	viśvabhavāt	viśvabhavābhyām	viśvabhavebhyaḥ
Genitive	viśvabhavasya	viśvabhavayoḥ	viśvabhavānām
Locative	viśvabhave	viśvabhavayoḥ	viśvabhaveṣu

Compound viśvabhava -

Adverb -viśvabhavam -viśvabhavāt