General:
* Rogue: This is the most direct equivalent, but it's often used as a noun for a mischievous or dishonest person.
* Rascal: This noun also suggests a mischievous and slightly untrustworthy person.
* Scoundrel: This term implies more serious wrongdoing than "rogue" or "rascal."
More specific:
* Mischief: This refers to the playful, playful, or slightly naughty behavior associated with "roguish".
* Deviltry: This emphasizes the mischievous and possibly malicious nature of "roguish" actions.
* Whim: This suggests a sudden, unpredictable, and possibly mischievous impulse.
Other options:
* Charm: This captures the attractiveness of a "roguish" personality.
* Wit: This suggests the cleverness and humor that often accompany "roguish" behavior.
* Audacity: This emphasizes the boldness and daring of a "roguish" person.
Ultimately, the best noun to use will depend on the specific context and the nuance you want to convey.