Secular; song (3)
I believe the answer is:
lay
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">secular</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >'<span class="explanation-format__original">song</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I know that lay is a type of song)</span><br/ ><br/ ></span>
(Other definitions for lay that I've seen before include "Was lying" , "Put down (eg, card)" , "Not ordained; song" , "Place (bet)" , "Not clerical or professionally qualified" .)