Declension table of ?dvādaśama

Masculine	Singular	Dual	Plural
Nominative	dvādaśamaḥ	dvādaśamau	dvādaśamāḥ
Vocative	dvādaśama	dvādaśamau	dvādaśamāḥ
Accusative	dvādaśamam	dvādaśamau	dvādaśamān
Instrumental	dvādaśamena	dvādaśamābhyām	dvādaśamaiḥ dvādaśamebhiḥ
Dative	dvādaśamāya	dvādaśamābhyām	dvādaśamebhyaḥ
Ablative	dvādaśamāt	dvādaśamābhyām	dvādaśamebhyaḥ
Genitive	dvādaśamasya	dvādaśamayoḥ	dvādaśamānām
Locative	dvādaśame	dvādaśamayoḥ	dvādaśameṣu

Compound dvādaśama -

Adverb -dvādaśamam -dvādaśamāt