Declension table of ?duddhavat

Masculine	Singular	Dual	Plural
Nominative	duddhavān	duddhavantau	duddhavantaḥ
Vocative	duddhavan	duddhavantau	duddhavantaḥ
Accusative	duddhavantam	duddhavantau	duddhavataḥ
Instrumental	duddhavatā	duddhavadbhyām	duddhavadbhiḥ
Dative	duddhavate	duddhavadbhyām	duddhavadbhyaḥ
Ablative	duddhavataḥ	duddhavadbhyām	duddhavadbhyaḥ
Genitive	duddhavataḥ	duddhavatoḥ	duddhavatām
Locative	duddhavati	duddhavatoḥ	duddhavatsu

Compound duddhavat -

Adverb -duddhavantam