Nurse, nurture (6)
I believe the answer is:
suckle
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">nurse</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I know that nurse can be written as suckle)</span><br/ ><br/ >'<span class="explanation-format__original">nurture</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ ></span>
(Other definitions for suckle that I've seen before include "Feed (baby) from breast" , "Breastfeed" , "Nurse" , "Nurture" , "Feed from a teat" .)