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

Crossword clues for Waiter's aid 4 letters:

TRAY: Waiter's aid
TRAY: Waiter's carrying aid
BUSBOYS: Waiters' aides
BUS: Aid a waiter
BUSED: Aided the waiter
BUSBOY: Waiter's aide
WATERPITCHER: Waiter's refilling aid