Declension table of ?viśāpa

Neuter	Singular	Dual	Plural
Nominative	viśāpam	viśāpe	viśāpāni
Vocative	viśāpa	viśāpe	viśāpāni
Accusative	viśāpam	viśāpe	viśāpāni
Instrumental	viśāpena	viśāpābhyām	viśāpaiḥ
Dative	viśāpāya	viśāpābhyām	viśāpebhyaḥ
Ablative	viśāpāt	viśāpābhyām	viśāpebhyaḥ
Genitive	viśāpasya	viśāpayoḥ	viśāpānām
Locative	viśāpe	viśāpayoḥ	viśāpeṣu

Compound viśāpa -

Adverb -viśāpam -viśāpāt