Sofia Cruz
"[A] noun used to refer to the use of a wrong or inappropriate name." (Scribbr)
From Collins Dictionary:
Noun.
1. a misapplied or inappropriate name or designation
2. an error in naming a person or thing
IPA: ˌmɪsˈnoʊ.mɚ
"The Time of the Titans was the Fourth Age, sometimes called the Golden Age, which is definitely a misnomer... I know it was a time of darkness and savagery for mortals." ( Percy Jackson, p. 155)
"It was the scruffiest place I've ever stayed in, so "Grand Hotel" was a complete misnomer." (Cambridge Dictionary)
"'International Airport' is something of a misnomer, since almost all the arriving and departing flights are local. " (Merriam-Webster)
"Herbal 'tea' is something of a misnomer because these drinks contain no tea at all." (Collins Dictionary)
Old French mesnomer
mes 'wrongly' + nomer 'to name'
From: https://www.etymonline.com/search?q=misnomer
French: terme inapproprié
German: Fehlbezeichnung
Polish: błędna nazwa
Spanish: nombre equivocado
Mandarin Chinese: 误称
Korean: 그릇된 명칭
Arabic: تسمية خاطئة
Swahili: jina lisilo sahihi