Declension table of ?dvādaśabhavana

Neuter	Singular	Dual	Plural
Nominative	dvādaśabhavanam	dvādaśabhavane	dvādaśabhavanāni
Vocative	dvādaśabhavana	dvādaśabhavane	dvādaśabhavanāni
Accusative	dvādaśabhavanam	dvādaśabhavane	dvādaśabhavanāni
Instrumental	dvādaśabhavanena	dvādaśabhavanābhyām	dvādaśabhavanaiḥ
Dative	dvādaśabhavanāya	dvādaśabhavanābhyām	dvādaśabhavanebhyaḥ
Ablative	dvādaśabhavanāt	dvādaśabhavanābhyām	dvādaśabhavanebhyaḥ
Genitive	dvādaśabhavanasya	dvādaśabhavanayoḥ	dvādaśabhavanānām
Locative	dvādaśabhavane	dvādaśabhavanayoḥ	dvādaśabhavaneṣu

Compound dvādaśabhavana -

Adverb -dvādaśabhavanam -dvādaśabhavanāt