Below you can find the Port moresby was named the capital of papua new guinea & port-au-prince became the capital of this island nation Jeopardy Words Answer. The answer to Port moresby was named the capital of papua new guinea & port-au-prince became the capital of this island nation has 5 letters. This clue belongs to the World capitals category and is part of Jeopardy Word Level 1136. If you scroll near the bottom you will find other clues and answers part of level 1136