Kobold is a generic name for a household spirit in German folklore.
The kobold of Hildesheim―Illustrated by William A. McCullough, Nymphs, Nixies and Naiads (1895)
Household spirit, kobold, or gütgen―engraving by Thomas Cross, Sr. (fl. 1632–1682), frontispiece to Praetorius (1668) [1666] Anthropodemus Plutonicus.
Plant-people, Alraun (mandrake) ―engraving by Thomas Cross, Sr. (fl. 1632-1682), frontispiece to Praetorius (1668) [1666] Anthropodemus Plutonicus.
Hinzelmann was a kobold who haunted Hudemühlen Castle.―Willy Pogány illustr. (1912), "The Little White Feather" in The Fairies and the Christmas Child ed. Gask
A goblin is a diminutive, grotesque, and often malevolent humanoid creature prominent in European folklore, typically characterized by its mischievous or demonic nature, small stature, furry or leathe
Kobold
…that ship. Kobold beliefs mirror legends of similar creatures in other regions of Europe, and scholars have argued that the names of creatures such as goblins and kabouters derive from the same roots as kobold. This may indicate a common origin for these creatures, or it may represent cultural borrowings and…
The Princess and the Goblin by George MacDonald, illustrated by Jessie Willcox Smith, 1920