Did you mean misnomer?
misnomer
noun
°A use of a term asserted to be misleading.
"Calling it a driveway is a bit of a misnomer, since you don't drive on it, you park on it."
°A term asserted to be widely used incorrectly.
"Chinese checkers is a misnomer since the game has nothing to do with China."
verb
° To use a misleading term; to misname.