Declension table of ?kṛṣṇacañcuka

Masculine	Singular	Dual	Plural
Nominative	kṛṣṇacañcukaḥ	kṛṣṇacañcukau	kṛṣṇacañcukāḥ
Vocative	kṛṣṇacañcuka	kṛṣṇacañcukau	kṛṣṇacañcukāḥ
Accusative	kṛṣṇacañcukam	kṛṣṇacañcukau	kṛṣṇacañcukān
Instrumental	kṛṣṇacañcukena	kṛṣṇacañcukābhyām	kṛṣṇacañcukaiḥ kṛṣṇacañcukebhiḥ
Dative	kṛṣṇacañcukāya	kṛṣṇacañcukābhyām	kṛṣṇacañcukebhyaḥ
Ablative	kṛṣṇacañcukāt	kṛṣṇacañcukābhyām	kṛṣṇacañcukebhyaḥ
Genitive	kṛṣṇacañcukasya	kṛṣṇacañcukayoḥ	kṛṣṇacañcukānām
Locative	kṛṣṇacañcuke	kṛṣṇacañcukayoḥ	kṛṣṇacañcukeṣu

Compound kṛṣṇacañcuka -

Adverb -kṛṣṇacañcukam -kṛṣṇacañcukāt