Kobolde

If the kobolde be surprised, the dwarfs immediately assume the form of beautiful crystals, which are therefore called “quartz.”

Source: wiktionary

The kobolde’s box was always kept locked, and only his master could open it without allowing the kobolde to escape and wreak havoc.

Source: wiktionary

The German editors of 'The Hobbit' used the word orcs in preference to the translation of goblin kobolde because, I suppose, they knew that kobolde are not normally malevolent in German folklore, even helping in household affairs.

Source: wiktionary

When they were gone, except for Dragger, Sharpwit the hob and a few brownies and kobolde she'd kept with her to forage and fetch grubs, Hunter tilted his head and studied the Queen's spy.

Source: wiktionary