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The Bible never uses the word “vampire.” It never describes an undead creature that drinks blood. It does contain two things people connect to the legend. The first is the Alukah of Proverbs 30:15, Alukah is a Hebrew word meaning “leech” that appears once in Proverbs 30:15 and is sometimes linked by scholars to a blood‑drinking demon, while Rephaim are giants and dead spirits associated with Sheol.
A concise lexical study of the Hebrew terms ‘Alukah’ and ‘Rephaim’, covering their biblical occurrences, meanings, and later folklore.
