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

Crossword clues for Gets firm 4 letters:

SETS: Gets firm, as concrete
SETS: Gets firm
SAGS: Gets less firm
SET: Get firm
ABS: They get firm if you crunch them
SET: Get firm, as Jell-O
SAG: Get less firm