Declension table of viśvasana

Neuter	Singular	Dual	Plural
Nominative	viśvasanam	viśvasane	viśvasanāni
Vocative	viśvasana	viśvasane	viśvasanāni
Accusative	viśvasanam	viśvasane	viśvasanāni
Instrumental	viśvasanena	viśvasanābhyām	viśvasanaiḥ
Dative	viśvasanāya	viśvasanābhyām	viśvasanebhyaḥ
Ablative	viśvasanāt	viśvasanābhyām	viśvasanebhyaḥ
Genitive	viśvasanasya	viśvasanayoḥ	viśvasanānām
Locative	viśvasane	viśvasanayoḥ	viśvasaneṣu

Compound viśvasana -

Adverb -viśvasanam -viśvasanāt