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

Crossword clues for Lucubrator. 3 letters:

OWL: Lucubrator.
LUCUBRATE: Burn the midnight oil
MIDNIGHTOIL: Symbol of lucubration.
PORED: Lucubrated
PORE: Lucubrate
EYESTRAIN: Lucubrator's potential problem