Republican presidential front-runner Donald TrumpDonald John TrumpNFL players stand in tunnel during anthem, extending protests 12 former top intel officials blast Trump's move to revoke Brennan's security clearance NYT: Omarosa believed to have as many as 200 tapes MORE is running into more spelling issues on the campaign trail. 

During a campaign rally in Wichita, Kan., on Saturday, the billionaire businessman called out Sen. Ted CruzRafael (Ted) Edward CruzBeto O’Rourke: Term limits can help keep politicians from turning into a--holes Election Countdown: GOP worries House majority endangered by top of ticket | Dems make history in Tuesday's primaries | Parties fight for Puerto Rican vote in Florida | GOP lawmakers plan 'Freedom Tour' Former spokeswoman defends Trump calling Omarosa ‘dog’: He’s called men dogs MORE for “lyin’ ” to voters. 

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“How would you spell that? L-Y-E-N, with a big apostrophe,” Trump said. 

Trump drew attention for spelling issues a day earlier. A press release announcing the Saturday event misspelled both "Wichita" and "Kansas."

In late February, Trump had several more misspellings in tweets, referring to rival Marco RubioMarco Antonio RubioGOP looks to injure Nelson over Russia comments Rubio’s pro-family, conservative family leave policy promotes stability Dems make history in Tuesday's primaries MORE as a "chocker" and describing a poll victory as an "honer." And his campaign website incorrectly spelled the name of Sarah Palin, the former Alaska governor who endorsed Trump.

Watch the mishap in the video above.