Declension table of ?tattvabhāva

Masculine	Singular	Dual	Plural
Nominative	tattvabhāvaḥ	tattvabhāvau	tattvabhāvāḥ
Vocative	tattvabhāva	tattvabhāvau	tattvabhāvāḥ
Accusative	tattvabhāvam	tattvabhāvau	tattvabhāvān
Instrumental	tattvabhāvena	tattvabhāvābhyām	tattvabhāvaiḥ tattvabhāvebhiḥ
Dative	tattvabhāvāya	tattvabhāvābhyām	tattvabhāvebhyaḥ
Ablative	tattvabhāvāt	tattvabhāvābhyām	tattvabhāvebhyaḥ
Genitive	tattvabhāvasya	tattvabhāvayoḥ	tattvabhāvānām
Locative	tattvabhāve	tattvabhāvayoḥ	tattvabhāveṣu

Compound tattvabhāva -

Adverb -tattvabhāvam -tattvabhāvāt