Suds (6)
I believe the answer is:
lather
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">suds</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for lather that I've seen before include "Panic" , "stew" , "Froth, thrash (colloq.)" , "starting to run in a sweat" , "Foam caused by soap etc" .)