Declension table of ?kṛṣṇosyākhareṣṭhaka

Masculine	Singular	Dual	Plural
Nominative	kṛṣṇosyākhareṣṭhakaḥ	kṛṣṇosyākhareṣṭhakau	kṛṣṇosyākhareṣṭhakāḥ
Vocative	kṛṣṇosyākhareṣṭhaka	kṛṣṇosyākhareṣṭhakau	kṛṣṇosyākhareṣṭhakāḥ
Accusative	kṛṣṇosyākhareṣṭhakam	kṛṣṇosyākhareṣṭhakau	kṛṣṇosyākhareṣṭhakān
Instrumental	kṛṣṇosyākhareṣṭhakena	kṛṣṇosyākhareṣṭhakābhyām	kṛṣṇosyākhareṣṭhakaiḥ kṛṣṇosyākhareṣṭhakebhiḥ
Dative	kṛṣṇosyākhareṣṭhakāya	kṛṣṇosyākhareṣṭhakābhyām	kṛṣṇosyākhareṣṭhakebhyaḥ
Ablative	kṛṣṇosyākhareṣṭhakāt	kṛṣṇosyākhareṣṭhakābhyām	kṛṣṇosyākhareṣṭhakebhyaḥ
Genitive	kṛṣṇosyākhareṣṭhakasya	kṛṣṇosyākhareṣṭhakayoḥ	kṛṣṇosyākhareṣṭhakānām
Locative	kṛṣṇosyākhareṣṭhake	kṛṣṇosyākhareṣṭhakayoḥ	kṛṣṇosyākhareṣṭhakeṣu

Compound kṛṣṇosyākhareṣṭhaka -

Adverb -kṛṣṇosyākhareṣṭhakam -kṛṣṇosyākhareṣṭhakāt