malapropism

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++mal·a·prop·is·m /ˈmæləprɒpɪzəm $ -prɑː-/ noun [countable] literary  MISTAKEan amusing mistake that you make when you use a word that sounds similar to the word you intended to say but means something completely different 近音词误用〔指误用发音近似而意义完全不同的词语〕

Examples from the Corpus

malapropism• In spite of his inane malapropisms, he can talk circles around everyone else in the book.• This is really a kind of malapropism.Origin malapropism (1800-1900) Mrs Malaprop character who uses words wrongly in the play The Rivals (1775) by Richard Sheridan, from French mal à propos “not appropriate”

mal·a·prop·is·m nounChineseSyllable  

mistake make Corpus use when that you you an amusing

malapropism
mal‧a‧prop‧is‧m /ˈmæləprɒpɪzəm $ -prɑː-/ noun [countable] literaryan amusing mistake that you make when you use a word that sounds similar to the word you intended to say but means something completely different

mala·prop·ismBrE /ˈmæləprɒpɪzəm/ 🔊NAmE /ˈmæləprɑːpɪzəm/ 🔊 nounan amusing mistake sb makes when they use a word which sounds similar to the word they wanted to use, but means sth different 近音词误用（常产生滑稽效果） ORIGIN From Mrs Malaprop, a character in Richard Brinsley Sheridan's play The Rivals, who confuses words like this all the time. 源自理查德 · 布林斯利 · 谢里丹的戏剧《情敌》中的人物马拉普洛普太太，她总是误用词语。