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

Crossword clues for Shell rival 6 letters:

SUNOCO: Shell rival
CONOCO: Shell or Exxon rival
EXXON: Shell rival
MOBIL: Shell rival
HESS: Shell rival
ESSO: Old Shell rival
ARCO: Shell rival
AMOCO: Shell rival