Orbanco rhymes with:
banco, banko, banco, banko, blanco, branco, branko, danko, evanko, financo, franco, franko, hanko, janco, janko, manco, manko, panko, pankow, ranco, sanko, sofranko, stanco, stanko, stefanko, yanko
Orbanco sounds like:
orphanage, orphanages, orphaning, orphans