pixy

You must never spy on a Pixy, for they would be sure to pay you out if you did.

He seemed to have made his appearance suddenly, like a pixy child, and to have vanished back into Fairyland.

She was in a pixy mood, and did not mean to show any special haste in beginning her unwelcome work.

Mrs. Bray tells a similar story of a Devonshire pixy, who helped an old woman to spin.

Her shrieks of joy filled the room, and she danced about waving her thin little arms like a veritable pixy.