Declension table of ?putrapura

Neuter	Singular	Dual	Plural
Nominative	putrapuram	putrapure	putrapurāṇi
Vocative	putrapura	putrapure	putrapurāṇi
Accusative	putrapuram	putrapure	putrapurāṇi
Instrumental	putrapureṇa	putrapurābhyām	putrapuraiḥ
Dative	putrapurāya	putrapurābhyām	putrapurebhyaḥ
Ablative	putrapurāt	putrapurābhyām	putrapurebhyaḥ
Genitive	putrapurasya	putrapurayoḥ	putrapurāṇām
Locative	putrapure	putrapurayoḥ	putrapureṣu

Compound putrapura -

Adverb -putrapuram -putrapurāt