<span class="searchmatch">Cōnstantīnopolin</span> accusative singular of Cōnstantīnopolis...
Cōnstantīnopolios dative Cōnstantīnopolī accusative Cōnstantīnopolim <span class="searchmatch">Cōnstantīnopolin</span> ablative Cōnstantīnopolī vocative Cōnstantīnopolis Cōnstantīnopolī...