Declension table of ?kṛṣṇaśīrṣan

Neuter	Singular	Dual	Plural
Nominative	kṛṣṇaśīrṣa	kṛṣṇaśīrṣṇī kṛṣṇaśīrṣaṇī	kṛṣṇaśīrṣāṇi
Vocative	kṛṣṇaśīrṣan kṛṣṇaśīrṣa	kṛṣṇaśīrṣṇī kṛṣṇaśīrṣaṇī	kṛṣṇaśīrṣāṇi
Accusative	kṛṣṇaśīrṣa	kṛṣṇaśīrṣṇī kṛṣṇaśīrṣaṇī	kṛṣṇaśīrṣāṇi
Instrumental	kṛṣṇaśīrṣṇā	kṛṣṇaśīrṣabhyām	kṛṣṇaśīrṣabhiḥ
Dative	kṛṣṇaśīrṣṇe	kṛṣṇaśīrṣabhyām	kṛṣṇaśīrṣabhyaḥ
Ablative	kṛṣṇaśīrṣṇaḥ	kṛṣṇaśīrṣabhyām	kṛṣṇaśīrṣabhyaḥ
Genitive	kṛṣṇaśīrṣṇaḥ	kṛṣṇaśīrṣṇoḥ	kṛṣṇaśīrṣṇām
Locative	kṛṣṇaśīrṣṇi kṛṣṇaśīrṣaṇi	kṛṣṇaśīrṣṇoḥ	kṛṣṇaśīrṣasu

Compound kṛṣṇaśīrṣa -

Adverb -kṛṣṇaśīrṣa -kṛṣṇaśīrṣam