Makes out, distinguishes (8)
I believe the answer is:
discerns
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">makes out</span>' is the first definition.<br/ ><span class="explanation-format__explanation">('discern' can be a synonym of 'make out')</span><br/ ><br/ >'<span class="explanation-format__original">distinguishes</span>' is the second definition.<br/ ><span class="explanation-format__explanation">('discern' can be a synonym of 'distinguish')</span><br/ ><br/ ></span>
(Other definitions for discerns that I've seen before include "Distinguishes, makes out" , "Detects, makes out" .)