Declension table of ?kṛṣṇakarkaṭaka

Masculine	Singular	Dual	Plural
Nominative	kṛṣṇakarkaṭakaḥ	kṛṣṇakarkaṭakau	kṛṣṇakarkaṭakāḥ
Vocative	kṛṣṇakarkaṭaka	kṛṣṇakarkaṭakau	kṛṣṇakarkaṭakāḥ
Accusative	kṛṣṇakarkaṭakam	kṛṣṇakarkaṭakau	kṛṣṇakarkaṭakān
Instrumental	kṛṣṇakarkaṭakena	kṛṣṇakarkaṭakābhyām	kṛṣṇakarkaṭakaiḥ kṛṣṇakarkaṭakebhiḥ
Dative	kṛṣṇakarkaṭakāya	kṛṣṇakarkaṭakābhyām	kṛṣṇakarkaṭakebhyaḥ
Ablative	kṛṣṇakarkaṭakāt	kṛṣṇakarkaṭakābhyām	kṛṣṇakarkaṭakebhyaḥ
Genitive	kṛṣṇakarkaṭakasya	kṛṣṇakarkaṭakayoḥ	kṛṣṇakarkaṭakānām
Locative	kṛṣṇakarkaṭake	kṛṣṇakarkaṭakayoḥ	kṛṣṇakarkaṭakeṣu

Compound kṛṣṇakarkaṭaka -

Adverb -kṛṣṇakarkaṭakam -kṛṣṇakarkaṭakāt