Definition of misappellation in US English:

misappellation

noun

  • The action of calling (a person or thing) by an incorrect or inappropriate name; an instance of this, a misnomer.

Origin

Early 19th century; earliest use found in Jeremy Bentham (1748–1832), philosopher, jurist, and reformer. From mis- + appellation.

Pronunciation

misappellation

/ˌmɪsapəˈleɪʃn/