malapropism
/ˈmæləprɒpɪzəm/( <美> 亦作malaprop)
noun
- the mistaken use of a word in place of a similar-sounding one, often with unintentionally amusing effect, as in, for example, 'dance a flamingo' (instead of flamenco)（常在无意中产生引人发笑效果的）近音词误用。
词源
mid 19th cent.: from the name of the character Mrs Malaprop in Sheridan's play The Rivals (1775) + -ISM.