Declension table of ?saptadaśarca

Neuter	Singular	Dual	Plural
Nominative	saptadaśarcam	saptadaśarce	saptadaśarcāni
Vocative	saptadaśarca	saptadaśarce	saptadaśarcāni
Accusative	saptadaśarcam	saptadaśarce	saptadaśarcāni
Instrumental	saptadaśarcena	saptadaśarcābhyām	saptadaśarcaiḥ
Dative	saptadaśarcāya	saptadaśarcābhyām	saptadaśarcebhyaḥ
Ablative	saptadaśarcāt	saptadaśarcābhyām	saptadaśarcebhyaḥ
Genitive	saptadaśarcasya	saptadaśarcayoḥ	saptadaśarcānām
Locative	saptadaśarce	saptadaśarcayoḥ	saptadaśarceṣu

Compound saptadaśarca -

Adverb -saptadaśarcam -saptadaśarcāt