Crossword Genius

Regrets stratagem, say (4)

Ross

I believe the answer is:

rues

'regrets' is the definition.
('rue' can be a synonym of 'regret')

'stratagem say' is the wordplay.
'stratagem' becomes 'ruse' (I've seen this in another clue).
'say' shows a homophone (sound like).
'ruse' is a homophone of 'RUES'.

(Other definitions for rues that I've seen before include "Is sorry for - plants" , "Regrets, to be sure" , "Bemoans" .)

I've seen this clue in The Mirror.
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