Declension table of ?dvādaśakara

Masculine	Singular	Dual	Plural
Nominative	dvādaśakaraḥ	dvādaśakarau	dvādaśakarāḥ
Vocative	dvādaśakara	dvādaśakarau	dvādaśakarāḥ
Accusative	dvādaśakaram	dvādaśakarau	dvādaśakarān
Instrumental	dvādaśakareṇa	dvādaśakarābhyām	dvādaśakaraiḥ dvādaśakarebhiḥ
Dative	dvādaśakarāya	dvādaśakarābhyām	dvādaśakarebhyaḥ
Ablative	dvādaśakarāt	dvādaśakarābhyām	dvādaśakarebhyaḥ
Genitive	dvādaśakarasya	dvādaśakarayoḥ	dvādaśakarāṇām
Locative	dvādaśakare	dvādaśakarayoḥ	dvādaśakareṣu

Compound dvādaśakara -

Adverb -dvādaśakaram -dvādaśakarāt