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% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for Witch's concoction:

BREW: Witches' concoction
BREWS: Witches' concoctions
BREW: Witches' ___ (concoction in a cauldron)
BREW: Witch's concoction
POTIONDETECTORS: People who can sniff out a witch's concoction?