Declension table of ?pratadvasu

Masculine	Singular	Dual	Plural
Nominative	pratadvasuḥ	pratadvasū	pratadvasavaḥ
Vocative	pratadvaso	pratadvasū	pratadvasavaḥ
Accusative	pratadvasum	pratadvasū	pratadvasūn
Instrumental	pratadvasunā	pratadvasubhyām	pratadvasubhiḥ
Dative	pratadvasave	pratadvasubhyām	pratadvasubhyaḥ
Ablative	pratadvasoḥ	pratadvasubhyām	pratadvasubhyaḥ
Genitive	pratadvasoḥ	pratadvasvoḥ	pratadvasūnām
Locative	pratadvasau	pratadvasvoḥ	pratadvasuṣu

Compound pratadvasu -

Adverb -pratadvasu