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

Crossword clues for Passover observers:

JEWS: Passover observers
JEW: Passover observer
ATEKOSHER: Observed Passover, in a way
SEDER: Passover observance
OMER: Counting of the ___ (observance after Passover)