The most common and most likely answer to this crossword clue is the 12 letter word COMMANDMENTS
I've seen this crossword clue in The Guardian
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More clues leading to the result COMMANDMENTS
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The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does COMMANDMENTS mean?
COMMANDMENTS noun- A divinely ordained command, especially one of the Ten Commandments.
- Something that must be obeyed; a command or edict.
- The act of commanding; exercise of authority.
- The offence of commanding or inducing another to violate the law.