Declension table of ?viṣkya

Neuter	Singular	Dual	Plural
Nominative	viṣkyam	viṣkye	viṣkyāṇi
Vocative	viṣkya	viṣkye	viṣkyāṇi
Accusative	viṣkyam	viṣkye	viṣkyāṇi
Instrumental	viṣkyeṇa	viṣkyābhyām	viṣkyaiḥ
Dative	viṣkyāya	viṣkyābhyām	viṣkyebhyaḥ
Ablative	viṣkyāt	viṣkyābhyām	viṣkyebhyaḥ
Genitive	viṣkyasya	viṣkyayoḥ	viṣkyāṇām
Locative	viṣkye	viṣkyayoḥ	viṣkyeṣu

Compound viṣkya -

Adverb -viṣkyam -viṣkyāt