The correct sentence should be: "Death is preferable to dishonour."\n\nExplanation: The correct preposition to use with "preferable" is "to," not "than."\n\nIncorrect Sentence: Death is preferable than dishonour. \n\nCorrected Sentence: Death is preferable to dishonour. \n\n\n\n \\boxed{\\text{Death is preferable to dishonour.}}