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

Crossword clues for *Tugboat sounds:

TOOT: Tugboat sound
TOOTS: Tugboat sounds
TOOT: Palindromic tugboat sound
TOOTTOOT: *Tugboat sounds
TOOT: Sound of a tugboat's horn
TOOTED: Sounded, as a tugboat horn