What's the difference between mischievous and roguery?

Mischievous

Definition:

(a.) Causing mischief; harmful; hurtful; -- now often applied where the evil is done carelessly or in sport; as, a mischievous child.

Example Sentences:

(1) The appearance of a band with lean, spiky songs, high cheekbones and excellent trousers was therefore the cause of considerable excitement, to which they mischievously alluded in the title of their debut album, Is This It.
(2) In response, the ANC secretary-general, Gwede Mantashe, said the critics were "mischievous" and the party should be allowed to run its own affairs.
(3) You don't have to be against the minority of SAHMBY (stay-at-home mothers by choice) to consider their involvement in this debate a complete, and sometimes mischievous, distraction.
(4) It hasn’t helped that one mischievous customer appears to have added a crease to the carton on the right to make it look even more like a penis.
(5) "I want to reassure my friend Eduardo that there is no chance of me hanging on to the Olympic flag at the closing ceremony", joked Johnson, before adding mischievously "As protocol demands I will be handing it over to Eduardo — probably."
(6) Three seasons in the media spotlight in Madrid have clearly done him no harm, and when a potentially mischievous question comes along about England temporarily transferring their support to Wales he defuses it politely and diplomatically.
(7) Moir, who has won a British Press Award, made a statement defending her column late on Friday, saying it was not her intention to offend, blaming a "heavily orchestrated internet campaign" for the furore and adding that it was "mischievous in the extreme to suggest that my article has homophobic and bigoted undertones".
(8) The final seconds of the movie are the most memorable, in which Smokey assures Big Worm he’s going to rehab, before hanging up the phone and lighting a joint with a mischievous grin to the camera.
(9) These fairies have sharp, mischievous features, quite different from the later fairies of Bethlem.
(10) Prime ministers are very useful to a treasurer,” Keating said mischievously, and Hawke and I had a great relationship until he “produced a nasty little book”.
(11) The first point to note is that Sally's spirit guides were in a particularly mischievous mood during the reading, because they persuaded Sally to make statements such as: Sally: Is there the name Robyn?
(12) What is not so well known is his mischievous streak.
(13) The moderator of the conference demanded that Aydin switch to Turkish; a fellow Kurd came mischievously onto the platform to translate.
(14) Richard E Grant and Anna Chancellor join the cast, with Grant playing a guest of the Granthams and Chancellor the mischievous Lady Anstruther.
(15) At the time, a friend of Rennard told the BBC the "shocking and mischievous" leak was "in total defiance of fair process" and had caused great distress to the peer.
(16) Outside of the octagon, Bisping possesses the demeanour of an oversized Ricky Hatton - all mischievous grins, wisecracks and gentle ribbing of his sparring partners.
(17) Updated at 10.58am BST 10.55am BST Is the chancellor being too dramatic by declaring this morning that NO Help To Buy mortgages can be granted at more than 4.5 times the borrowers' income, asks a mischievous Robert Peston.
(18) He bubbles with mischievous excitement, recounting the range of thugs, creeps and gorgeous males who fell under his spell ("It was like a conduit had opened").
(19) Raphael wrote: “We believe our audience is sophisticated enough to accept a broad range of viewpoints, and we are loth to censor or avoid significant works of literature because they might be controversial.” BBC Radio 4 Publicity said online: “In Hilary Mantel’s mischievous story, a knock at the door announces an unexpected visitor who has plans to alter the course of history as people know it.
(20) For his part, Mr Taleb may have felt mischievously reported.