Declension table of ?ṣoḍaśiśastra

Neuter	Singular	Dual	Plural
Nominative	ṣoḍaśiśastram	ṣoḍaśiśastre	ṣoḍaśiśastrāṇi
Vocative	ṣoḍaśiśastra	ṣoḍaśiśastre	ṣoḍaśiśastrāṇi
Accusative	ṣoḍaśiśastram	ṣoḍaśiśastre	ṣoḍaśiśastrāṇi
Instrumental	ṣoḍaśiśastreṇa	ṣoḍaśiśastrābhyām	ṣoḍaśiśastraiḥ
Dative	ṣoḍaśiśastrāya	ṣoḍaśiśastrābhyām	ṣoḍaśiśastrebhyaḥ
Ablative	ṣoḍaśiśastrāt	ṣoḍaśiśastrābhyām	ṣoḍaśiśastrebhyaḥ
Genitive	ṣoḍaśiśastrasya	ṣoḍaśiśastrayoḥ	ṣoḍaśiśastrāṇām
Locative	ṣoḍaśiśastre	ṣoḍaśiśastrayoḥ	ṣoḍaśiśastreṣu

Compound ṣoḍaśiśastra -

Adverb -ṣoḍaśiśastram -ṣoḍaśiśastrāt