Declension table of ?pūrvabhāva

Masculine	Singular	Dual	Plural
Nominative	pūrvabhāvaḥ	pūrvabhāvau	pūrvabhāvāḥ
Vocative	pūrvabhāva	pūrvabhāvau	pūrvabhāvāḥ
Accusative	pūrvabhāvam	pūrvabhāvau	pūrvabhāvān
Instrumental	pūrvabhāveṇa	pūrvabhāvābhyām	pūrvabhāvaiḥ pūrvabhāvebhiḥ
Dative	pūrvabhāvāya	pūrvabhāvābhyām	pūrvabhāvebhyaḥ
Ablative	pūrvabhāvāt	pūrvabhāvābhyām	pūrvabhāvebhyaḥ
Genitive	pūrvabhāvasya	pūrvabhāvayoḥ	pūrvabhāvāṇām
Locative	pūrvabhāve	pūrvabhāvayoḥ	pūrvabhāveṣu

Compound pūrvabhāva -

Adverb -pūrvabhāvam -pūrvabhāvāt