Declension table of dvādaśī

Feminine	Singular	Dual	Plural
Nominative	dvādaśī	dvādaśyau	dvādaśyaḥ
Vocative	dvādaśi	dvādaśyau	dvādaśyaḥ
Accusative	dvādaśīm	dvādaśyau	dvādaśīḥ
Instrumental	dvādaśyā	dvādaśībhyām	dvādaśībhiḥ
Dative	dvādaśyai	dvādaśībhyām	dvādaśībhyaḥ
Ablative	dvādaśyāḥ	dvādaśībhyām	dvādaśībhyaḥ
Genitive	dvādaśyāḥ	dvādaśyoḥ	dvādaśīnām
Locative	dvādaśyām	dvādaśyoḥ	dvādaśīṣu

Compound dvādaśi - dvādaśī -

Adverb -dvādaśi