Solutions Water spirit in Germanic folklore has 5 entries with similar clues

• 4-letter words
• runeAncient Germanic letter
• juteGermanic invader of Britain
• 6-letter words
• anglesGermanic people who settled in Briton in the fifth century
• kelpieWater spirit in the form of a horse in the Scottish folklore
• 7-letter words
• dybbuckMalicious spirit in Jewish folklore