Declension table of ?pūrvakarman

Neuter	Singular	Dual	Plural
Nominative	pūrvakarma	pūrvakarmaṇī	pūrvakarmāṇi
Vocative	pūrvakarman pūrvakarma	pūrvakarmaṇī	pūrvakarmāṇi
Accusative	pūrvakarma	pūrvakarmaṇī	pūrvakarmāṇi
Instrumental	pūrvakarmaṇā	pūrvakarmabhyām	pūrvakarmabhiḥ
Dative	pūrvakarmaṇe	pūrvakarmabhyām	pūrvakarmabhyaḥ
Ablative	pūrvakarmaṇaḥ	pūrvakarmabhyām	pūrvakarmabhyaḥ
Genitive	pūrvakarmaṇaḥ	pūrvakarmaṇoḥ	pūrvakarmaṇām
Locative	pūrvakarmaṇi	pūrvakarmaṇoḥ	pūrvakarmasu

Compound pūrvakarma -

Adverb -pūrvakarma -pūrvakarmam