
Treachery
Emotional Impact
Treachery often has a strong emotional effect, making people feel shocked and upset.

The king's treachery left the entire court feeling betrayed and bewildered.
Moral Judgment
The word 'treachery' carries a negative moral connotation, suggesting an unethical or immoral action.

Many considered his actions not just a mistake, but treachery of the highest order.
Severity of Betrayal
'Treachery' is used for serious betrayal, more severe than just letting someone down.

Selling secret information to competitors was seen as treachery, not just disloyalty.
Compare with
BetrayalDeceitDisloyaltyFalsehoodFidelityPerfidy
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