Declension table of ?aviśva

Neuter	Singular	Dual	Plural
Nominative	aviśvam	aviśve	aviśvāni
Vocative	aviśva	aviśve	aviśvāni
Accusative	aviśvam	aviśve	aviśvāni
Instrumental	aviśvena	aviśvābhyām	aviśvaiḥ
Dative	aviśvāya	aviśvābhyām	aviśvebhyaḥ
Ablative	aviśvāt	aviśvābhyām	aviśvebhyaḥ
Genitive	aviśvasya	aviśvayoḥ	aviśvānām
Locative	aviśve	aviśvayoḥ	aviśveṣu

Compound aviśva -

Adverb -aviśvam -aviśvāt