Declension table of ?kṛṣṇāguru

Neuter	Singular	Dual	Plural
Nominative	kṛṣṇāguru	kṛṣṇāguruṇī	kṛṣṇāgurūṇi
Vocative	kṛṣṇāguru	kṛṣṇāguruṇī	kṛṣṇāgurūṇi
Accusative	kṛṣṇāguru	kṛṣṇāguruṇī	kṛṣṇāgurūṇi
Instrumental	kṛṣṇāguruṇā	kṛṣṇāgurubhyām	kṛṣṇāgurubhiḥ
Dative	kṛṣṇāguruṇe	kṛṣṇāgurubhyām	kṛṣṇāgurubhyaḥ
Ablative	kṛṣṇāguruṇaḥ	kṛṣṇāgurubhyām	kṛṣṇāgurubhyaḥ
Genitive	kṛṣṇāguruṇaḥ	kṛṣṇāguruṇoḥ	kṛṣṇāgurūṇām
Locative	kṛṣṇāguruṇi	kṛṣṇāguruṇoḥ	kṛṣṇāguruṣu

Compound kṛṣṇāguru -

Adverb -kṛṣṇāguru