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

Crossword clues for Big breakup:

DISPERSAL: Big breakup
SLEDGES: They cause big breakups
USSR: Focus of a big breakup in '91
ERNIES: ___ Big Mess ("Sesame Street" breakup book)
GRIEF: What big fans feel after a breakup