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

Crossword clues for Serenader, perhaps:

CROON: Serenade, perhaps
WOOERS: Serenaders, perhaps
WOO: Serenade, perhaps
WOOER: Serenader, perhaps
LUTE: Serenade need, perhaps