phantonym

Etymology
From, with self-aware influence from ; Macmillan Dictionary reports that corpus searches have found that the word seems to have been coined several times [probably independently], with several meanings all related to , accidental gaps, or , as long ago as 1993 (by Irwin M. Berent, referring to comical neologisms such as bebig, analogous to ) and most recently in 2009, by , as an term for words whose sound or appearance makes them liable to be used catachrestically.

Noun

 * 1) A word that appears to mean one thing but actually means something else. Example: the English word ', which appears to be related to ', but actually refers to something with an offensive  (odor). Such terms are predisposed toward catachrestic use (including malapropisms) by speakers and writers.