Declension table of ?dvibhūma

Neuter	Singular	Dual	Plural
Nominative	dvibhūmam	dvibhūme	dvibhūmāni
Vocative	dvibhūma	dvibhūme	dvibhūmāni
Accusative	dvibhūmam	dvibhūme	dvibhūmāni
Instrumental	dvibhūmena	dvibhūmābhyām	dvibhūmaiḥ
Dative	dvibhūmāya	dvibhūmābhyām	dvibhūmebhyaḥ
Ablative	dvibhūmāt	dvibhūmābhyām	dvibhūmebhyaḥ
Genitive	dvibhūmasya	dvibhūmayoḥ	dvibhūmānām
Locative	dvibhūme	dvibhūmayoḥ	dvibhūmeṣu

Compound dvibhūma -

Adverb -dvibhūmam -dvibhūmāt