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

Crossword clues for Smug looks 6 letters:

SMIRKY: Looking smug
SMIRKS: Smug looks
SMIRKS: Looks on smug mugs
SMIRKAT: Give a smug look
GRINS: Smug looks, sometimes
SMIRK: Smug look
GLOAT: Smug look
SMIRKAT: Look smugly upon
SMIRKED: Looked smug
SMIRKAT: Look upon smugly