Declension table of ?apūrvakarman

Neuter	Singular	Dual	Plural
Nominative	apūrvakarma	apūrvakarmaṇī	apūrvakarmāṇi
Vocative	apūrvakarman apūrvakarma	apūrvakarmaṇī	apūrvakarmāṇi
Accusative	apūrvakarma	apūrvakarmaṇī	apūrvakarmāṇi
Instrumental	apūrvakarmaṇā	apūrvakarmabhyām	apūrvakarmabhiḥ
Dative	apūrvakarmaṇe	apūrvakarmabhyām	apūrvakarmabhyaḥ
Ablative	apūrvakarmaṇaḥ	apūrvakarmabhyām	apūrvakarmabhyaḥ
Genitive	apūrvakarmaṇaḥ	apūrvakarmaṇoḥ	apūrvakarmaṇām
Locative	apūrvakarmaṇi	apūrvakarmaṇoḥ	apūrvakarmasu

Compound apūrvakarma -

Adverb -apūrvakarma -apūrvakarmam