Declension table of ?dvādaśamātra

Neuter	Singular	Dual	Plural
Nominative	dvādaśamātram	dvādaśamātre	dvādaśamātrāṇi
Vocative	dvādaśamātra	dvādaśamātre	dvādaśamātrāṇi
Accusative	dvādaśamātram	dvādaśamātre	dvādaśamātrāṇi
Instrumental	dvādaśamātreṇa	dvādaśamātrābhyām	dvādaśamātraiḥ
Dative	dvādaśamātrāya	dvādaśamātrābhyām	dvādaśamātrebhyaḥ
Ablative	dvādaśamātrāt	dvādaśamātrābhyām	dvādaśamātrebhyaḥ
Genitive	dvādaśamātrasya	dvādaśamātrayoḥ	dvādaśamātrāṇām
Locative	dvādaśamātre	dvādaśamātrayoḥ	dvādaśamātreṣu

Compound dvādaśamātra -

Adverb -dvādaśamātram -dvādaśamātrāt