Declension table of ?aṣṭādaśavakra

Masculine	Singular	Dual	Plural
Nominative	aṣṭādaśavakraḥ	aṣṭādaśavakrau	aṣṭādaśavakrāḥ
Vocative	aṣṭādaśavakra	aṣṭādaśavakrau	aṣṭādaśavakrāḥ
Accusative	aṣṭādaśavakram	aṣṭādaśavakrau	aṣṭādaśavakrān
Instrumental	aṣṭādaśavakreṇa	aṣṭādaśavakrābhyām	aṣṭādaśavakraiḥ aṣṭādaśavakrebhiḥ
Dative	aṣṭādaśavakrāya	aṣṭādaśavakrābhyām	aṣṭādaśavakrebhyaḥ
Ablative	aṣṭādaśavakrāt	aṣṭādaśavakrābhyām	aṣṭādaśavakrebhyaḥ
Genitive	aṣṭādaśavakrasya	aṣṭādaśavakrayoḥ	aṣṭādaśavakrāṇām
Locative	aṣṭādaśavakre	aṣṭādaśavakrayoḥ	aṣṭādaśavakreṣu

Compound aṣṭādaśavakra -

Adverb -aṣṭādaśavakram -aṣṭādaśavakrāt