Declension table of ?viśvadeva

Masculine	Singular	Dual	Plural
Nominative	viśvadevaḥ	viśvadevau	viśvadevāḥ
Vocative	viśvadeva	viśvadevau	viśvadevāḥ
Accusative	viśvadevam	viśvadevau	viśvadevān
Instrumental	viśvadevena	viśvadevābhyām	viśvadevaiḥ viśvadevebhiḥ
Dative	viśvadevāya	viśvadevābhyām	viśvadevebhyaḥ
Ablative	viśvadevāt	viśvadevābhyām	viśvadevebhyaḥ
Genitive	viśvadevasya	viśvadevayoḥ	viśvadevānām
Locative	viśvadeve	viśvadevayoḥ	viśvadeveṣu

Compound viśvadeva -

Adverb -viśvadevam -viśvadevāt