Curses or solemn promises (5)

I believe the answer is:

oaths

This clue is a double definition.

'curses' is the first definition.
(I know this)

'solemn promises' is the second definition.
(I've seen this in another clue)

(Other definitions for oaths that I've seen before include "four-letter words" , "Swearwords" , "Solemn promises or curses" , "Solemn sworn promises" , "Expletives" .)

I've seen this clue in The Irish Times and the Irish Times (Simplex).

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