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

Crossword clues for Giggled nervously:

TITTER: Nervous giggle
TEHEE: Nervous giggle
TITTERED: Giggled nervously
TWITTERY: Giggling nervously
TITTERS: Nervous giggles
TITTER: Giggle nervously