Declension table of ?duduvas

Masculine	Singular	Dual	Plural
Nominative	duduvān	duduvāṃsau	duduvāṃsaḥ
Vocative	duduvan	duduvāṃsau	duduvāṃsaḥ
Accusative	duduvāṃsam	duduvāṃsau	dudūṣaḥ
Instrumental	dudūṣā	duduvadbhyām	duduvadbhiḥ
Dative	dudūṣe	duduvadbhyām	duduvadbhyaḥ
Ablative	dudūṣaḥ	duduvadbhyām	duduvadbhyaḥ
Genitive	dudūṣaḥ	dudūṣoḥ	dudūṣām
Locative	dudūṣi	dudūṣoḥ	duduvatsu

Compound duduvat -

Adverb -duduvas