Declension table of ?bhūtabhava

Neuter	Singular	Dual	Plural
Nominative	bhūtabhavam	bhūtabhave	bhūtabhavāni
Vocative	bhūtabhava	bhūtabhave	bhūtabhavāni
Accusative	bhūtabhavam	bhūtabhave	bhūtabhavāni
Instrumental	bhūtabhavena	bhūtabhavābhyām	bhūtabhavaiḥ
Dative	bhūtabhavāya	bhūtabhavābhyām	bhūtabhavebhyaḥ
Ablative	bhūtabhavāt	bhūtabhavābhyām	bhūtabhavebhyaḥ
Genitive	bhūtabhavasya	bhūtabhavayoḥ	bhūtabhavānām
Locative	bhūtabhave	bhūtabhavayoḥ	bhūtabhaveṣu

Compound bhūtabhava -

Adverb -bhūtabhavam -bhūtabhavāt