Grand rush for freedom from sin (5)

I believe the answer is:

grace

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'freedom from sin' is the definition.
The answer and definition can be both human attributes as well as being singular nouns.
Perhaps they are linked in a way I don't understand?

'grand rush' is the wordplay.
'grand' becomes 'g' (G is short for ground as in a thousand).
'rush' becomes 'race' (synonyms).
'g'+'race'='GRACE'

'for' is the link.

Can you help me to learn more?

(Other definitions for grace that I've seen before include "Comeliness" , "Famous cricketer" , "'Amazing - - '" , "Prayer of thanks before/after a meal" , "34 [CRICKETER]" .)

I've seen this clue in The Sun.

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