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

Crossword clues for Prelude to a duel 4 letters:

SLAP: Duel prelude
SLAP: Duel prelude, perhaps
SLAP: Prelude to a duel
SLAPS: Duel preludes
INSULT: Duel prelude.