Declension table of ?kṛṣṇajīraka

Masculine	Singular	Dual	Plural
Nominative	kṛṣṇajīrakaḥ	kṛṣṇajīrakau	kṛṣṇajīrakāḥ
Vocative	kṛṣṇajīraka	kṛṣṇajīrakau	kṛṣṇajīrakāḥ
Accusative	kṛṣṇajīrakam	kṛṣṇajīrakau	kṛṣṇajīrakān
Instrumental	kṛṣṇajīrakeṇa	kṛṣṇajīrakābhyām	kṛṣṇajīrakaiḥ kṛṣṇajīrakebhiḥ
Dative	kṛṣṇajīrakāya	kṛṣṇajīrakābhyām	kṛṣṇajīrakebhyaḥ
Ablative	kṛṣṇajīrakāt	kṛṣṇajīrakābhyām	kṛṣṇajīrakebhyaḥ
Genitive	kṛṣṇajīrakasya	kṛṣṇajīrakayoḥ	kṛṣṇajīrakāṇām
Locative	kṛṣṇajīrake	kṛṣṇajīrakayoḥ	kṛṣṇajīrakeṣu

Compound kṛṣṇajīraka -

Adverb -kṛṣṇajīrakam -kṛṣṇajīrakāt