Declension table of ?dvādaśika

Masculine	Singular	Dual	Plural
Nominative	dvādaśikaḥ	dvādaśikau	dvādaśikāḥ
Vocative	dvādaśika	dvādaśikau	dvādaśikāḥ
Accusative	dvādaśikam	dvādaśikau	dvādaśikān
Instrumental	dvādaśikena	dvādaśikābhyām	dvādaśikaiḥ dvādaśikebhiḥ
Dative	dvādaśikāya	dvādaśikābhyām	dvādaśikebhyaḥ
Ablative	dvādaśikāt	dvādaśikābhyām	dvādaśikebhyaḥ
Genitive	dvādaśikasya	dvādaśikayoḥ	dvādaśikānām
Locative	dvādaśike	dvādaśikayoḥ	dvādaśikeṣu

Compound dvādaśika -

Adverb -dvādaśikam -dvādaśikāt