Declension table of ?undapura

Neuter	Singular	Dual	Plural
Nominative	undapuram	undapure	undapurāṇi
Vocative	undapura	undapure	undapurāṇi
Accusative	undapuram	undapure	undapurāṇi
Instrumental	undapureṇa	undapurābhyām	undapuraiḥ
Dative	undapurāya	undapurābhyām	undapurebhyaḥ
Ablative	undapurāt	undapurābhyām	undapurebhyaḥ
Genitive	undapurasya	undapurayoḥ	undapurāṇām
Locative	undapure	undapurayoḥ	undapureṣu

Compound undapura -

Adverb -undapuram -undapurāt