Declension table of ?viśvānna

Neuter	Singular	Dual	Plural
Nominative	viśvānnam	viśvānne	viśvānnāni
Vocative	viśvānna	viśvānne	viśvānnāni
Accusative	viśvānnam	viśvānne	viśvānnāni
Instrumental	viśvānnena	viśvānnābhyām	viśvānnaiḥ
Dative	viśvānnāya	viśvānnābhyām	viśvānnebhyaḥ
Ablative	viśvānnāt	viśvānnābhyām	viśvānnebhyaḥ
Genitive	viśvānnasya	viśvānnayoḥ	viśvānnānām
Locative	viśvānne	viśvānnayoḥ	viśvānneṣu

Compound viśvānna -

Adverb -viśvānnam -viśvānnāt