Declension table of ?dharmakārya

Neuter	Singular	Dual	Plural
Nominative	dharmakāryam	dharmakārye	dharmakāryāṇi
Vocative	dharmakārya	dharmakārye	dharmakāryāṇi
Accusative	dharmakāryam	dharmakārye	dharmakāryāṇi
Instrumental	dharmakāryeṇa	dharmakāryābhyām	dharmakāryaiḥ
Dative	dharmakāryāya	dharmakāryābhyām	dharmakāryebhyaḥ
Ablative	dharmakāryāt	dharmakāryābhyām	dharmakāryebhyaḥ
Genitive	dharmakāryasya	dharmakāryayoḥ	dharmakāryāṇām
Locative	dharmakārye	dharmakāryayoḥ	dharmakāryeṣu

Compound dharmakārya -

Adverb -dharmakāryam -dharmakāryāt