Declension table of ?viṣkara

Neuter	Singular	Dual	Plural
Nominative	viṣkaram	viṣkare	viṣkarāṇi
Vocative	viṣkara	viṣkare	viṣkarāṇi
Accusative	viṣkaram	viṣkare	viṣkarāṇi
Instrumental	viṣkareṇa	viṣkarābhyām	viṣkaraiḥ
Dative	viṣkarāya	viṣkarābhyām	viṣkarebhyaḥ
Ablative	viṣkarāt	viṣkarābhyām	viṣkarebhyaḥ
Genitive	viṣkarasya	viṣkarayoḥ	viṣkarāṇām
Locative	viṣkare	viṣkarayoḥ	viṣkareṣu

Compound viṣkara -

Adverb -viṣkaram -viṣkarāt