Declension table of ?viśaṅka

Masculine	Singular	Dual	Plural
Nominative	viśaṅkaḥ	viśaṅkau	viśaṅkāḥ
Vocative	viśaṅka	viśaṅkau	viśaṅkāḥ
Accusative	viśaṅkam	viśaṅkau	viśaṅkān
Instrumental	viśaṅkena	viśaṅkābhyām	viśaṅkaiḥ viśaṅkebhiḥ
Dative	viśaṅkāya	viśaṅkābhyām	viśaṅkebhyaḥ
Ablative	viśaṅkāt	viśaṅkābhyām	viśaṅkebhyaḥ
Genitive	viśaṅkasya	viśaṅkayoḥ	viśaṅkānām
Locative	viśaṅke	viśaṅkayoḥ	viśaṅkeṣu

Compound viśaṅka -

Adverb -viśaṅkam -viśaṅkāt