Declension table of ?tattvabhūta

Neuter	Singular	Dual	Plural
Nominative	tattvabhūtam	tattvabhūte	tattvabhūtāni
Vocative	tattvabhūta	tattvabhūte	tattvabhūtāni
Accusative	tattvabhūtam	tattvabhūte	tattvabhūtāni
Instrumental	tattvabhūtena	tattvabhūtābhyām	tattvabhūtaiḥ
Dative	tattvabhūtāya	tattvabhūtābhyām	tattvabhūtebhyaḥ
Ablative	tattvabhūtāt	tattvabhūtābhyām	tattvabhūtebhyaḥ
Genitive	tattvabhūtasya	tattvabhūtayoḥ	tattvabhūtānām
Locative	tattvabhūte	tattvabhūtayoḥ	tattvabhūteṣu

Compound tattvabhūta -

Adverb -tattvabhūtam -tattvabhūtāt