Muslim religion (5)

I believe the answer is:

islam

'muslim religion' is the definition.
(I've seen this in another clue)

This is the entire clue.

(Other definitions for islam that I've seen before include "Mails to great eastern religion" , "Religion based on teachings of Muhammad" , "Mails to Muslim religion" , "Creed" , "Mohammed's religion" .)

I've seen this clue in The Guardian, The Independent and the Evening Standard.

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