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

Crossword clues for Groundbreaking invention 7 letters:

MATTOCK: Groundbreaking invention?
PICKAXE: Groundbreaking invention
HOES: Groundbreaking inventions?
RAKE: Groundbreaking invention?
HOE: Groundbreaking invention?
TILLER: Groundbreaking invention
SPADE: Groundbreaking invention?
HOE: Groundbreaking ancient invention