Declension table of dvidaśa

Masculine	Singular	Dual	Plural
Nominative	dvidaśaḥ	dvidaśau	dvidaśāḥ
Vocative	dvidaśa	dvidaśau	dvidaśāḥ
Accusative	dvidaśam	dvidaśau	dvidaśān
Instrumental	dvidaśena	dvidaśābhyām	dvidaśaiḥ dvidaśebhiḥ
Dative	dvidaśāya	dvidaśābhyām	dvidaśebhyaḥ
Ablative	dvidaśāt	dvidaśābhyām	dvidaśebhyaḥ
Genitive	dvidaśasya	dvidaśayoḥ	dvidaśānām
Locative	dvidaśe	dvidaśayoḥ	dvidaśeṣu

Compound dvidaśa -

Adverb -dvidaśam -dvidaśāt