Death's partner? (5)
I believe the answer is:
taxes
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">death's partner?</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for taxes that I've seen before include "Puts great strain on, as Revenue Commissioners do" , "Levies imposed by government" , "Levies duty" , "Levies, strains" .)