Voiced (5)
(Other definitions for spoke that I've seen before include "Said something" , "addressed" , "Radius" , "Rung" , "gave a lecture" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">voiced</span>' is the definition.<br/ ><span class="explanation-format__explanation">(similar in meaning)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for vocal that I've seen before include "Relating to the human voice" , "singing" , "(Performance of) piece that is sung" , "speaking loudly" , "Audible in protest" .)