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

Crossword clues for WWI aircraft 4 letters:

SPAD: French WWI aircraft
SPAD: WWI aircraft
TRIPLANE: WWI aircraft
BIPLANE: Double-winged WWI aircraft
SPADS: WWI aircraft
BIPLANE: Typical WWI aircraft