Capital of Egypt (5)
I believe the answer is:
cairo
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">capital of egypt</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for cairo that I've seen before include "Capital of Egypt" , "Port upstream from the Nile delta" , "City near the Nile delta" , "Egyptian capital" , "Al Qahira" .)