Declension table of kṛṣṇī

Feminine	Singular	Dual	Plural
Nominative	kṛṣṇī	kṛṣṇyau	kṛṣṇyaḥ
Vocative	kṛṣṇi	kṛṣṇyau	kṛṣṇyaḥ
Accusative	kṛṣṇīm	kṛṣṇyau	kṛṣṇīḥ
Instrumental	kṛṣṇyā	kṛṣṇībhyām	kṛṣṇībhiḥ
Dative	kṛṣṇyai	kṛṣṇībhyām	kṛṣṇībhyaḥ
Ablative	kṛṣṇyāḥ	kṛṣṇībhyām	kṛṣṇībhyaḥ
Genitive	kṛṣṇyāḥ	kṛṣṇyoḥ	kṛṣṇīnām
Locative	kṛṣṇyām	kṛṣṇyoḥ	kṛṣṇīṣu

Compound kṛṣṇi - kṛṣṇī -

Adverb -kṛṣṇi