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

Crossword clues for Cause of nose-wrinkling:

RANCID: Causing serious nose-wrinkling
REEK: Cause serious nose-wrinkling
ODOR: Cause of nose-wrinkling
ODOR: Cause of some nose-wrinkling