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

Crossword clues for Involuntary jerks 6 letters:

SPASMS: Involuntary jerks
START: Involuntary jerk
SPASM: Involuntary jerk
START: Sudden, involuntary jerk.
TIC: Involuntary jerk, e.g.