Declension table of ?pratadvasu

Neuter	Singular	Dual	Plural
Nominative	pratadvasu	pratadvasunī	pratadvasūni
Vocative	pratadvasu	pratadvasunī	pratadvasūni
Accusative	pratadvasu	pratadvasunī	pratadvasūni
Instrumental	pratadvasunā	pratadvasubhyām	pratadvasubhiḥ
Dative	pratadvasune	pratadvasubhyām	pratadvasubhyaḥ
Ablative	pratadvasunaḥ	pratadvasubhyām	pratadvasubhyaḥ
Genitive	pratadvasunaḥ	pratadvasunoḥ	pratadvasūnām
Locative	pratadvasuni	pratadvasunoḥ	pratadvasuṣu

Compound pratadvasu -

Adverb -pratadvasu