Declension table of ?kṛṣṇagava

Neuter	Singular	Dual	Plural
Nominative	kṛṣṇagavam	kṛṣṇagave	kṛṣṇagavāni
Vocative	kṛṣṇagava	kṛṣṇagave	kṛṣṇagavāni
Accusative	kṛṣṇagavam	kṛṣṇagave	kṛṣṇagavāni
Instrumental	kṛṣṇagavena	kṛṣṇagavābhyām	kṛṣṇagavaiḥ
Dative	kṛṣṇagavāya	kṛṣṇagavābhyām	kṛṣṇagavebhyaḥ
Ablative	kṛṣṇagavāt	kṛṣṇagavābhyām	kṛṣṇagavebhyaḥ
Genitive	kṛṣṇagavasya	kṛṣṇagavayoḥ	kṛṣṇagavānām
Locative	kṛṣṇagave	kṛṣṇagavayoḥ	kṛṣṇagaveṣu

Compound kṛṣṇagava -

Adverb -kṛṣṇagavam -kṛṣṇagavāt