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

Crossword clues for Fortification ditch:

FOSS: Fortification ditch.
FOSSE: Fortification ditch.
ESCARPS: Inner walls of fortification ditches
MOAT: Fortification ditch
MOATS: Fortification ditches
TENAILLE: In fortifications, an outwork in the main ditch.