Declension table of ?viśvaga

Masculine	Singular	Dual	Plural
Nominative	viśvagaḥ	viśvagau	viśvagāḥ
Vocative	viśvaga	viśvagau	viśvagāḥ
Accusative	viśvagam	viśvagau	viśvagān
Instrumental	viśvagena	viśvagābhyām	viśvagaiḥ viśvagebhiḥ
Dative	viśvagāya	viśvagābhyām	viśvagebhyaḥ
Ablative	viśvagāt	viśvagābhyām	viśvagebhyaḥ
Genitive	viśvagasya	viśvagayoḥ	viśvagānām
Locative	viśvage	viśvagayoḥ	viśvageṣu

Compound viśvaga -

Adverb -viśvagam -viśvagāt