Plural of deviancy; instances or characteristics of deviation from accepted standards, norms, or laws.
From deviancy (variant form of deviance) + -ies plural ending. Both deviancy and deviance come from the same Latin root deviare.
Deviancy and deviance are virtual synonyms, but deviancy has an older, more clinical feel—you'll find it in early criminology texts and law books. It's the same distinction as 'urgency' versus 'urgence'—both work, but one feels more formal.
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