Declension table of karmakara

Neuter	Singular	Dual	Plural
Nominative	karmakaram	karmakare	karmakarāṇi
Vocative	karmakara	karmakare	karmakarāṇi
Accusative	karmakaram	karmakare	karmakarāṇi
Instrumental	karmakareṇa	karmakarābhyām	karmakaraiḥ
Dative	karmakarāya	karmakarābhyām	karmakarebhyaḥ
Ablative	karmakarāt	karmakarābhyām	karmakarebhyaḥ
Genitive	karmakarasya	karmakarayoḥ	karmakarāṇām
Locative	karmakare	karmakarayoḥ	karmakareṣu

Compound karmakara -

Adverb -karmakaram -karmakarāt