Declension table of ?dvādaśamātra

Masculine	Singular	Dual	Plural
Nominative	dvādaśamātraḥ	dvādaśamātrau	dvādaśamātrāḥ
Vocative	dvādaśamātra	dvādaśamātrau	dvādaśamātrāḥ
Accusative	dvādaśamātram	dvādaśamātrau	dvādaśamātrān
Instrumental	dvādaśamātreṇa	dvādaśamātrābhyām	dvādaśamātraiḥ dvādaśamātrebhiḥ
Dative	dvādaśamātrāya	dvādaśamātrābhyām	dvādaśamātrebhyaḥ
Ablative	dvādaśamātrāt	dvādaśamātrābhyām	dvādaśamātrebhyaḥ
Genitive	dvādaśamātrasya	dvādaśamātrayoḥ	dvādaśamātrāṇām
Locative	dvādaśamātre	dvādaśamātrayoḥ	dvādaśamātreṣu

Compound dvādaśamātra -

Adverb -dvādaśamātram -dvādaśamātrāt