Declension table of ?kṛkin

Masculine	Singular	Dual	Plural
Nominative	kṛkī	kṛkiṇau	kṛkiṇaḥ
Vocative	kṛkin	kṛkiṇau	kṛkiṇaḥ
Accusative	kṛkiṇam	kṛkiṇau	kṛkiṇaḥ
Instrumental	kṛkiṇā	kṛkibhyām	kṛkibhiḥ
Dative	kṛkiṇe	kṛkibhyām	kṛkibhyaḥ
Ablative	kṛkiṇaḥ	kṛkibhyām	kṛkibhyaḥ
Genitive	kṛkiṇaḥ	kṛkiṇoḥ	kṛkiṇām
Locative	kṛkiṇi	kṛkiṇoḥ	kṛkiṣu

Compound kṛki -

Adverb -kṛki