Fraud, trickery (6)
I believe the answer is:
deceit
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">fraud</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >'<span class="explanation-format__original">trickery</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ ></span>
(Other definitions for deceit that I've seen before include "Falsehood" , "Pretence, cheating" , "Guile" , "Chicanery" , "fake" .)