Eggcorn (noun)
eg-cawn
a word or phrase that is a seemingly logical alteration of another word or phrase that sounds similar and has been misheard or misinterpreted, as ‘old wise tale’ for ‘old wives’ tale’.
With reference to a mishearing or misinterpretation of the word acorn
Example sentences
“She said he was on a pedal stool, but we all know that was an eggcorn for pedestal.”