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

Crossword clues for Mathlete, stereotypically:

NERD: Mathlete, stereotypically
ALPHANERD: Captain of the mathletes, stereotypically
NERDS: Stereotypical mathletes
NERD: Stereotypical mathlete
NERDS: Mathletes, stereotypically