Simple past tense and past participle of misspell.(verb)
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Use "misspelt" in a sentence
"Didn't Kanye West have his name misspelt on his birthday cake, sometime last year I think?"
""Such is fame! your name misspelt in a bulletin, or a bullet in your body.""
"Page view page image: annoyances, winding up with the resolute persistency of the clerk at the stage-office to enter my name misspelt on the way-bill, had not predisposed me to cheerfulness."