Declension table of ?ardhasaptadaśa

Masculine	Singular	Dual	Plural
Nominative	ardhasaptadaśaḥ	ardhasaptadaśau	ardhasaptadaśāḥ
Vocative	ardhasaptadaśa	ardhasaptadaśau	ardhasaptadaśāḥ
Accusative	ardhasaptadaśam	ardhasaptadaśau	ardhasaptadaśān
Instrumental	ardhasaptadaśena	ardhasaptadaśābhyām	ardhasaptadaśaiḥ ardhasaptadaśebhiḥ
Dative	ardhasaptadaśāya	ardhasaptadaśābhyām	ardhasaptadaśebhyaḥ
Ablative	ardhasaptadaśāt	ardhasaptadaśābhyām	ardhasaptadaśebhyaḥ
Genitive	ardhasaptadaśasya	ardhasaptadaśayoḥ	ardhasaptadaśānām
Locative	ardhasaptadaśe	ardhasaptadaśayoḥ	ardhasaptadaśeṣu

Compound ardhasaptadaśa -

Adverb -ardhasaptadaśam -ardhasaptadaśāt