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

Crossword clues for Bulls' foes:

TORERO: Bull foe
TOREROS: Bulls' foes
TORERO: Bull's foe
GREENARROW: Superhero who had an arch foe named Bull's-Eye
CUSTER: Foe of Sitting Bull