Declension table of ?viśvāyana

Neuter	Singular	Dual	Plural
Nominative	viśvāyanam	viśvāyane	viśvāyanāni
Vocative	viśvāyana	viśvāyane	viśvāyanāni
Accusative	viśvāyanam	viśvāyane	viśvāyanāni
Instrumental	viśvāyanena	viśvāyanābhyām	viśvāyanaiḥ
Dative	viśvāyanāya	viśvāyanābhyām	viśvāyanebhyaḥ
Ablative	viśvāyanāt	viśvāyanābhyām	viśvāyanebhyaḥ
Genitive	viśvāyanasya	viśvāyanayoḥ	viśvāyanānām
Locative	viśvāyane	viśvāyanayoḥ	viśvāyaneṣu

Compound viśvāyana -

Adverb -viśvāyanam -viśvāyanāt