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

Crossword clues for Searched, as for bugs:

BETATEST: Search for bugs, in a way
TESTPILOT: Aviator in search of bugs
SWEPT: Searched for bugs
BETATESTER: One who searches for bugs
SWEPT: Searched, as for bugs