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

Crossword clues for Bat, as at a gnat:

SWATS: Bats gnats
SWAT: Bat a gnat
PESTS: Gnats, rats and bats
SWAT: Bat at a gnat
SWAT: Bat, as at a gnat
MAMMAL: Bat, rat or cat, but not a gnat