Declension table of ?pañcadaśarātra

Masculine	Singular	Dual	Plural
Nominative	pañcadaśarātraḥ	pañcadaśarātrau	pañcadaśarātrāḥ
Vocative	pañcadaśarātra	pañcadaśarātrau	pañcadaśarātrāḥ
Accusative	pañcadaśarātram	pañcadaśarātrau	pañcadaśarātrān
Instrumental	pañcadaśarātreṇa	pañcadaśarātrābhyām	pañcadaśarātraiḥ pañcadaśarātrebhiḥ
Dative	pañcadaśarātrāya	pañcadaśarātrābhyām	pañcadaśarātrebhyaḥ
Ablative	pañcadaśarātrāt	pañcadaśarātrābhyām	pañcadaśarātrebhyaḥ
Genitive	pañcadaśarātrasya	pañcadaśarātrayoḥ	pañcadaśarātrāṇām
Locative	pañcadaśarātre	pañcadaśarātrayoḥ	pañcadaśarātreṣu

Compound pañcadaśarātra -

Adverb -pañcadaśarātram -pañcadaśarātrāt