Declension table of ?viyūṣka

Neuter	Singular	Dual	Plural
Nominative	viyūṣkam	viyūṣke	viyūṣkāṇi
Vocative	viyūṣka	viyūṣke	viyūṣkāṇi
Accusative	viyūṣkam	viyūṣke	viyūṣkāṇi
Instrumental	viyūṣkeṇa	viyūṣkābhyām	viyūṣkaiḥ
Dative	viyūṣkāya	viyūṣkābhyām	viyūṣkebhyaḥ
Ablative	viyūṣkāt	viyūṣkābhyām	viyūṣkebhyaḥ
Genitive	viyūṣkasya	viyūṣkayoḥ	viyūṣkāṇām
Locative	viyūṣke	viyūṣkayoḥ	viyūṣkeṣu

Compound viyūṣka -

Adverb -viyūṣkam -viyūṣkāt