Crosswordiee.com

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

Crossword clues for Discover competitor:

OMNI: Discover competitor
VISA: Discover competitor
MASTERCARD: Discover competitor
AMEX: Discover competitor, briefly
AMEX: Discover competitor
AMEX: Discover competitor, informally