Declension table of ?trayodaśarātra

Neuter	Singular	Dual	Plural
Nominative	trayodaśarātram	trayodaśarātre	trayodaśarātrāṇi
Vocative	trayodaśarātra	trayodaśarātre	trayodaśarātrāṇi
Accusative	trayodaśarātram	trayodaśarātre	trayodaśarātrāṇi
Instrumental	trayodaśarātreṇa	trayodaśarātrābhyām	trayodaśarātraiḥ
Dative	trayodaśarātrāya	trayodaśarātrābhyām	trayodaśarātrebhyaḥ
Ablative	trayodaśarātrāt	trayodaśarātrābhyām	trayodaśarātrebhyaḥ
Genitive	trayodaśarātrasya	trayodaśarātrayoḥ	trayodaśarātrāṇām
Locative	trayodaśarātre	trayodaśarātrayoḥ	trayodaśarātreṣu

Compound trayodaśarātra -

Adverb -trayodaśarātram -trayodaśarātrāt