Declension table of kṛka

Masculine	Singular	Dual	Plural
Nominative	kṛkaḥ	kṛkau	kṛkāḥ
Vocative	kṛka	kṛkau	kṛkāḥ
Accusative	kṛkam	kṛkau	kṛkān
Instrumental	kṛkeṇa	kṛkābhyām	kṛkaiḥ kṛkebhiḥ
Dative	kṛkāya	kṛkābhyām	kṛkebhyaḥ
Ablative	kṛkāt	kṛkābhyām	kṛkebhyaḥ
Genitive	kṛkasya	kṛkayoḥ	kṛkāṇām
Locative	kṛke	kṛkayoḥ	kṛkeṣu

Compound kṛka -

Adverb -kṛkam -kṛkāt