Declension table of ?viśvadeva

Neuter	Singular	Dual	Plural
Nominative	viśvadevam	viśvadeve	viśvadevāni
Vocative	viśvadeva	viśvadeve	viśvadevāni
Accusative	viśvadevam	viśvadeve	viśvadevāni
Instrumental	viśvadevena	viśvadevābhyām	viśvadevaiḥ
Dative	viśvadevāya	viśvadevābhyām	viśvadevebhyaḥ
Ablative	viśvadevāt	viśvadevābhyām	viśvadevebhyaḥ
Genitive	viśvadevasya	viśvadevayoḥ	viśvadevānām
Locative	viśvadeve	viśvadevayoḥ	viśvadeveṣu

Compound viśvadeva -

Adverb -viśvadevam -viśvadevāt