Declension table of ?viṣādavat

Masculine	Singular	Dual	Plural
Nominative	viṣādavān	viṣādavantau	viṣādavantaḥ
Vocative	viṣādavan	viṣādavantau	viṣādavantaḥ
Accusative	viṣādavantam	viṣādavantau	viṣādavataḥ
Instrumental	viṣādavatā	viṣādavadbhyām	viṣādavadbhiḥ
Dative	viṣādavate	viṣādavadbhyām	viṣādavadbhyaḥ
Ablative	viṣādavataḥ	viṣādavadbhyām	viṣādavadbhyaḥ
Genitive	viṣādavataḥ	viṣādavatoḥ	viṣādavatām
Locative	viṣādavati	viṣādavatoḥ	viṣādavatsu

Compound viṣādavat -

Adverb -viṣādavantam