Declension table of saptadaśan

Neuter	Singular	Dual	Plural
Nominative	saptadaśa	saptadaśnī saptadaśanī	saptadaśāni
Vocative	saptadaśan saptadaśa	saptadaśnī saptadaśanī	saptadaśāni
Accusative	saptadaśa	saptadaśnī saptadaśanī	saptadaśāni
Instrumental	saptadaśnā	saptadaśabhyām	saptadaśabhiḥ
Dative	saptadaśne	saptadaśabhyām	saptadaśabhyaḥ
Ablative	saptadaśnaḥ	saptadaśabhyām	saptadaśabhyaḥ
Genitive	saptadaśnaḥ	saptadaśnoḥ	saptadaśnām
Locative	saptadaśni saptadaśani	saptadaśnoḥ	saptadaśasu

Compound saptadaśa -

Adverb -saptadaśa -saptadaśam