Clemency, leniency (5)
I believe the answer is:
mercy
I believe this clue is a double definition.
'clemency' is the first definition.
(I know that clemency can be written as mercy)
'leniency' is the second definition.
(I know that mercy is a type of leniency)
(Other definitions for mercy that I've seen before include "'The quality of ... is not strained' (The Merchant of Venice)" , "Leniency and compassion towards offenders" , "Compassion or forgiveness" , "Compassion for the unfortunate" , "Pity" .)