perils is a form of:

Stealth



noun
1.
(Steal thinness, furtive action or behavior) ការលាក់លៀម, ការលបៗ
Example: Narong obtained the key by stealth while no one was home.
ENGLISH MEANING
noun
1.
The act of stealing; theft.
2.
The thing stolen; stolen property.
3.
The bringing to pass anything in a secret or concealed manner; a secret procedure; a clandestine practice or action; -- in either a good or a bad sense.