Solutions Malicious spirit in Jewish folklore has 4 entries with similar clues

• 3-letter words
• nixWater spirit in Germanic folklore
• 5-letter words
• golemAnimated artificial human from Jewish folklore
• 6-letter words
• kelpieWater spirit in the form of a horse in the Scottish folklore
• 7-letter words
• erlkingMalicious spirit in German mythology who carries children away to death