kobolde

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

1918, J[oseph] W[illiam] Mellor, Introduction to Modern Inorganic Chemistry, London: Longmans, Green and Co., page 590

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

1981 December, Carrol B. Fleming, “Why do elf stories still exist?”, in Science 81, volume 2, number 10, page 112, column 2

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.

1984, Amon Hen, numbers 66–88, London: The Tolkien Society, →ISSN, page 19

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.

2016, Mel Sterling, Ironbound (Portland After Dark; 2), published 2017, →ISBN, page 42