Declension table of bhūtatva

Neuter	Singular	Dual	Plural
Nominative	bhūtatvam	bhūtatve	bhūtatvāni
Vocative	bhūtatva	bhūtatve	bhūtatvāni
Accusative	bhūtatvam	bhūtatve	bhūtatvāni
Instrumental	bhūtatvena	bhūtatvābhyām	bhūtatvaiḥ
Dative	bhūtatvāya	bhūtatvābhyām	bhūtatvebhyaḥ
Ablative	bhūtatvāt	bhūtatvābhyām	bhūtatvebhyaḥ
Genitive	bhūtatvasya	bhūtatvayoḥ	bhūtatvānām
Locative	bhūtatve	bhūtatvayoḥ	bhūtatveṣu

Compound bhūtatva -

Adverb -bhūtatvam -bhūtatvāt