Declension table of ?saptadaśaka

Masculine	Singular	Dual	Plural
Nominative	saptadaśakaḥ	saptadaśakau	saptadaśakāḥ
Vocative	saptadaśaka	saptadaśakau	saptadaśakāḥ
Accusative	saptadaśakam	saptadaśakau	saptadaśakān
Instrumental	saptadaśakena	saptadaśakābhyām	saptadaśakaiḥ saptadaśakebhiḥ
Dative	saptadaśakāya	saptadaśakābhyām	saptadaśakebhyaḥ
Ablative	saptadaśakāt	saptadaśakābhyām	saptadaśakebhyaḥ
Genitive	saptadaśakasya	saptadaśakayoḥ	saptadaśakānām
Locative	saptadaśake	saptadaśakayoḥ	saptadaśakeṣu

Compound saptadaśaka -

Adverb -saptadaśakam -saptadaśakāt