Declension table of ?pṛṣṭhaśikhara

Masculine	Singular	Dual	Plural
Nominative	pṛṣṭhaśikharaḥ	pṛṣṭhaśikharau	pṛṣṭhaśikharāḥ
Vocative	pṛṣṭhaśikhara	pṛṣṭhaśikharau	pṛṣṭhaśikharāḥ
Accusative	pṛṣṭhaśikharam	pṛṣṭhaśikharau	pṛṣṭhaśikharān
Instrumental	pṛṣṭhaśikhareṇa	pṛṣṭhaśikharābhyām	pṛṣṭhaśikharaiḥ pṛṣṭhaśikharebhiḥ
Dative	pṛṣṭhaśikharāya	pṛṣṭhaśikharābhyām	pṛṣṭhaśikharebhyaḥ
Ablative	pṛṣṭhaśikharāt	pṛṣṭhaśikharābhyām	pṛṣṭhaśikharebhyaḥ
Genitive	pṛṣṭhaśikharasya	pṛṣṭhaśikharayoḥ	pṛṣṭhaśikharāṇām
Locative	pṛṣṭhaśikhare	pṛṣṭhaśikharayoḥ	pṛṣṭhaśikhareṣu

Compound pṛṣṭhaśikhara -

Adverb -pṛṣṭhaśikharam -pṛṣṭhaśikharāt